What public figures publish and believe, in their own words.
About this feed
Highlights : posts that did unusually well for the person who wrote them, everything
they published at length, each release and new project, and every belief — at most
two a day from anyone. Day by day, newest
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All Writing GitHub Blog Newsletter x.com YouTube Korrents Bluesky Recommends Podcast Site Mastodon Papers Changed their mind
Top people in AI
David Heinemeier Hansson
Noah Smith
Pieter Levels
Paul Graham
Zvi Mowshowitz
Sam Altman
Tyler Cowen
Nathan Lambert
Simon Willison
Elon Musk
Paul Krugman
Gergely Orosz
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20 September
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Why Do We Need Human Mathematicians Anymore? [This is a guest post by Po-Shen Loh, crossposted from his blog, where an illustrated version appears. This blog post was initially written in a different file format and converted using AI. — T.] Similar logic applies…
Related
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Quoting voxium It has been half a month since I started a new role at a big company. Nobody knows anything here. The specs, code, tests, PRDs, tickets, resolution of those tickets, reports, etc., everything is made by Claude Code. Nob…
Anthropic Related
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Talked with a company where, a year ago they had unlimited AI budgets + CEO is technical and very bullish in AI “We now have a daily budget limit for SOTA models. Use Fable and Astra only for planning, cheaper models are good enough for everything else.” Want to stress this is an “AI-pilled” company, and not one that ever looked at AI budgets, before. Related
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
AI is breaking the academic sorting machine I see the mathematicians panicking at what we can do with agentic AI. Let us be clear on what we are talking about. In a few weeks, someone who is not a high-level mathematician can, with AI, produce the equivalent of a…
Related
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
From one piece
Your Job Gives You More Than Money
2 beliefs, in the piece's order there
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
Engineering leader and writer; wrote An Elegant Puzzle, Staff Engineer and The Engineering Executive's Primer, and blogs at Irrational Exuberance.
Trying the Software factory pattern. One of the interesting challenges of the AI ecosystem in 2026 is that new, effective patterns emerge faster than I can adopt them. I’ll find a handful, get back to work, and realize a month later that I’d mi…
Related
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Short The math behind AI's coming crash Related
American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Short Is AI Getting Smarter Faster Than We Think? - Noam Brown Related
Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.
10 Sunday Reads The weekend is here! Pour yourself a mug of Danish Blend coffee, grab a seat outside, and get ready for our longer-form weekend reads: • How Three Brothers Built an AI Slop Empire by Buying Legitimate News Sites and Tur…
Related
19 September
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
From one piece
Anthropic Looks At Some Of Its Alignment Problems
3 beliefs · thezvi.substack.com
Their words
Biased reasoning and recklessness are intermediate symptoms, neither the cause nor the final result.
Show the whole quote
thezvi.substack.com
Their words
Rarer is better, but I still think the right rate of misbehaviors on the level of social engineering to put malicious packages into a public registry is still zero.
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thezvi.substack.com
Their words
Do not assume that any AI, past this point, assumes its CoT is unmonitored.
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thezvi.substack.com
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
From one piece
Why I still haven’t bought into true RSI
3 beliefs, in the piece's order there
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Their words
having the very best AI model and harness doesn’t result in better/faster execution - in fact it slows you
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@GergelyOrosz on X x.com
Their words
But with AI tools, in-house dev teams can do more, and need less “renting”
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@GergelyOrosz on X x.com
Working on @ampcode. Writing registerspill.thorstenball.com. Once authored interpreterbook.com and compilerbook.com.
From one piece
What I believe about the future of software development
2 beliefs, in the piece's order there
Google startups
Their words
The difference between software engineering at large corporations and small ones will increase. Start-ups adopting practices of Google will look even sillier than before, because they can now build so much faster and with so much less constraints.
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thorstenball.com
Their words
And what we consider a smart model today will be considered very dumb in the future. But a smarter model makes less mistakes, needs fewer turns.
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thorstenball.com
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
The coolest thing about the recent wave of AI is that everyone is excited about building. All short-term drama aside, this is an immeasurably good development for the world.
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@rauchg on X x.com
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Short He Built AI That Emails Clients For Him Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Anthropic
Their words
The subscription tiers are still enormous loss leaders: $20/month for your first $200/month of tokens at API rates for the "Pro" tier, and $100 or $200/month for your first $1500 or $3000/month of tokens at the "Max 5x" or "Max 20x" tiers.
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braddelong.substack.com
Writes on effective altruism, energy and the arithmetic behind arguments people repeat — including how much electricity a chatbot query actually uses.
Author and clean-energy analyst who writes on solar cost curves.
Spoiler: It's not a psyop. You can disagree with the view that AI is a meaningful x-risk (I do!). And it's worth understanding that people who are worried about this have often been worried about it for decades, long before there was money in it. Coordinating messages != psyop. Quoting @DavidSKrueger I feel blessed to have gotten so much new engagement from accounts that this AI risk is a psyop. I have been deeply involved in both technical AI research and AI risk reduction efforts for over a decade, so personally I'm confident it's not a psyop. But I can understand why people who lack this kin… Related
Author and clean-energy analyst who writes on solar cost curves.
The EAs I know are generally lovely people, smart, thoughtful. I have a very low p(doom). I know many people with one much higher than mine. I believe each is sincere. AI safety debates are getting heated. Let's assume sincerity and good will of people we disagree with. AI alignment Related
American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.
Every now and then I see myself referred to as an "AI Denier" and I want to be clear I acknowledge "AI" exists, it's just I think it's a massive energy drain, created from theft, implemented poorly for inappropriate tasks by loathsome tech executives who get hard at the idea of the rest of us dying energy Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Short It's Getting Harder to Tell If AI Is Actually Aligned - Noam Brown Related
18 September
Economics writer; author of the Noahpinion newsletter.
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
From one piece
The Preference Cascade Is Only Getting Started
2 beliefs · thezvi.substack.com
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
With the latest external hack of OpenAI via Claude, closed models continue to be the tip of the iceberg on AI risks, not open models. They have been 1) much easier to get started with, 2) more capable & 3) shipped with leaky safeguards. Finetuning open models to specific attacks is harder. Anthropic OpenAI Related
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
Their words
My guess is that AI roughly doubles US GDP growth next year from ~2% to ~4%. Maybe even more.
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@elonmusk on X x.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
From one piece
@GergelyOrosz on X
2 beliefs · x.com
Google
Their words
it's MASSIVE in dimensions that is also rare, for a non-HQ office.
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@GergelyOrosz on X x.com
Google
Their words
Few tech companies put as much thought and effort into internal decor + vibes as Google does, even today
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@GergelyOrosz on X x.com
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
this is also downstream of the "AI is too expensive/slow" zeitgeist. People are eager to optimize and put AI in even more places!
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@rauchg on X x.com
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
The data and the anecdata on Jev's adoption are shocking. Everyone is adopting it. I think it's a great product, but this is also downstream of the "AI is too expensive/slow" zeitgeist.
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x.com
Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
LLMs
Their words
I stopped replying almost entirely to my replies on my own Tweets because I expect all of them to just be LLM slop.
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@mitsuhiko on X x.com
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Security engineer; founder of Matasano Security and Latacora.
LLMs
Their words
The most common pushback I'm getting to this post is that taking this kind of feedback from an LLM is going to bleach out your style just like having the model generate the text, because models can't be trusted with "style". No.
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@tqbf on X x.com
Genomics researcher and writer on science, biotech and the culture of research.
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
The people dismissing this as preposterous are telling on themselves as not having thought about superintelligence seriously. I hadn’t considered this particular idea but you should expect, by definition, that something much smarter than you would have ideas you didn’t think of Quoting @firesidealpha OpenAI's Noam Brown says air-gapping the computers may not stop a misaligned AI, because two air-gapped machines can still talk by running a CPU hot and reading the temperature change "But I think the major takeaway from the incident is that people underestimated the AI. And we never want to be in… AI alignment Related
Professor at Wharton studying how people actually use AI, and author of Co-Intelligence. Writes One Useful Thing, where the claims are dated and testable because the thing they describe keeps changing under them.
From one piece
The Overhang
3 beliefs · oneusefulthing.org
Their words
So change is coming no matter how the frontier is paced. It will not happen all at once and it will be uneven, but it is inevitable.
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The Overhang oneusefulthing.org
Their words
You are not trying to compete with AI in producing outputs, that is a losing game. Instead, you want to use your human advantages as basis of working with AI to do things that neither of you could do alone.
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The Overhang oneusefulthing.org
Their words
My point is that, while there is a lot of debate over what future models will do, the current capabilities of existing models are barely being used, and are often not even well understood.
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The Overhang oneusefulthing.org
Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
Their words
SOTA frontier models will still fuck you up bad behind your back, especially if you don't read your code anymore.
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@badlogicgames on X x.com
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Writes Where's Your Ed At and hosts Better Offline; runs a tech PR firm, and argues at length that the AI business does not add up.
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
Author and clean-energy analyst who writes on solar cost curves.
Excellent essay. It's plain that there are risks of damage from AI. Every technology ever invented has caused some harms, and this is a powerful one that will cause some harms along with the many benefits it will bring. That's distinct from fears of the end of the world. Quoting @clairlemon The belief that AI would eventually herald the end of humanity is not a new one. It has not arisen in response to the release of the LLMs of ChatGPT and Claude. It has not emerged as a response to recent technological developments. The story starts in the 90s, with @allTheYud. A precocious youngste… Related
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
Geneticist and writer on human population genetics, deep history and evolution; author of the Unsupervised Learning newsletter.
Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
Short raising children in the AI era with DANA SUSKIND Related
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
I don't think how Vibe Coding changes things for marketers gets talked about enough. So much of marketing used to be rationed, begging for engineering resources to get things done. Now you can hop in your IDE and ask your LLM to make the changes and see them done within the same hour. I run the @QAwithIto blog and have: - Designed & shipped my own custom floating social share buttons just how I want them - Fixed a bug with our custom HackerNews share button so it turns into an upvote button after someone submits the post - Added custom URLs and image widths to post images as new fields in San… LLMs Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Short AI Is Outrunning Everyone’s Predictions - Noam Brown Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
Analyst of the business of technology; writes Asymco on Apple, disruption and, latterly, micromobility.
Siri, not a companion, by design. Q: When wrong answers came from ChatGPT under the original integration, Apple could say it was ChatGPT's problem. Now AI is integrated into the OS itself. Does that change the risk for Apple? A: See Siri, not a companio…
OpenAI Related
Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.
This is why we need a gazillion data centers (worth it) Quoting @TroyCaylak wait till Ye get his tummy right 😭 data centers Related
17 September
Economics writer; author of the Noahpinion newsletter.
Their words
The people who are confidently proclaiming that AI won't be able to make bioweapons are BEING VERY FOOLISH.
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@Noahpinion on X x.com
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
This guy runs a podcast. It's his six year anniversary. So he asks ChatGPT who he should have on and why, and then he does a thread tagging people like me @kentbeck, @lethain, etc with the reasons. This is a great example of something I just wrote about: charity.wtf
Quoting @onejasonknight @mipsytipsy - you should come on One Knight in Product to talk about AI mandates, engineering productivity, management and what happens when coding gets cheap. It'd work because you have strong opinions and seem entirely comfortable having someone poke at them. OpenAI Related
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
From one piece
How To Write With An LLM
2 beliefs · simonwillison.net
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
Their words
It’s amazing how damaging a single false premise (the blank slate fallacy) can be for humans. Same holds true for AI.
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@elonmusk on X x.com
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Recommends sponsored rcmnd.app
WorkOS
Their words
@WorkOS – The fastest AI-native teams have to slow down for the hard problems. WorkOS makes sure auth, for your app and your agents, is never one of them. https://t.co/aiAee0oF5h
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x.com
Working on @ampcode. Writing registerspill.thorstenball.com. Once authored interpreterbook.com and compilerbook.com.
Very impressed by the TypeSafe/Jev onboarding. They knew they needed to overcome the question of "wait, so it's not an LLM?" and then threw everything at it. Really good. LLMs Related
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
Their words
consuming its publications is so easy for the models (the world's knowledge is neatly serried in their pretraining corpora) and so cumbersome for most humans (with trenches of CAPTCHAs, accounts, and paywalls ensuring that only the unusually dedicated reader will ever make contact)
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@patrickc on X x.com
Political scientist writing Drezner's World on international relations, American politics and the marketplace of ideas; author of The Ideas Industry.
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Who are the best long-form AI content creators showcasing practical, hands-on use cases? I don’t want: • hot takes or exaggerated claims • pie-in-the-sky philosophy or doomerism • overly complex systems designed to be impressive • breaking news updates or news summaries Related
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Everyone is vibecoding apps. Almost none of them have users and almost none of them make money Then I met Christophe. He has three kids a soda company and no coding ability. His AI sales agent just closed a Four Seasons In this new video he shows me how he built it Related
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
LLMs
Their words
It also fits so perfectly well for so many applications where traditional LLMs so far were just not viable for either speed or cost reasons.
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@mitsuhiko on X x.com
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.
From one piece
A supermajority wants to slow AI down
2 beliefs · natesilver.net
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Author and clean-energy analyst who writes on solar cost curves.
This is the single most articulate description of AI bio risk I've read. And also, while coming from a place of alarm, also nuanced and clear eyed on things like AI's dependence on actual lab experiment. Quoting @kesvelt Some scientists argue civilization-threatening bioweapons are a fantasy. I wish they were correct, and that I've wasted years building defenses. That you can't see a way, or evidence that others can, doesn't mean no one could – especially if anyone cautious would stay silent. My ask to colleagues:… Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
The better the harness, the better the business. Berkeley published a study this week showing harnesses, the systems that control AI agents, set the price of an answer. The right harness cuts the cost of the same result by 71% without a loss of accuracy. Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
From one piece
The Harness Margin Opportunity
2 beliefs, in the piece's order there
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Short Why AI Prices Only Go Down Related
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.
Their words
Every agent harness can now use Jev npm install -g ai-cli → ask yes/no questions → choose between options → score against your criteria https://t.co/dpgmcdCj8F
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x.com
16 September
Economics writer; author of the Noahpinion newsletter.
Their words
The rest of our lives will mostly revolve around AI, and yet growth will still be 1.5%
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@Noahpinion on X x.com
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
From one piece
When discussing AI policy, start with China
2 beliefs · marginalrevolution.com
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
We're seeing extraordinary results from @typesafeai. Default mode in 𝚏𝚡 is auto, with a safety reviewer analyzing every command. That reviewer runs on GPT Luna today. Jev is up to 18x faster (p95) *and* more accurate. It's coming to @vercel AI Gateway and likely new default. Quoting @fazxes We benchmarked fx auto mode (safety) classifier with @typesafeai's Jev. tl;dr: ~5-18x faster and more accurate than 𝚐𝚙𝚝-𝟻.𝟼-𝚕𝚞𝚗𝚊, our current top choice Related
Essayist; writes Astral Codex Ten, previously Slate Star Codex.
Creator of Claude Code at Anthropic.
Loved their own rcmnd.app
Claude
Their words
Simple enough for everyone to access Claude's full capabilities. I've been using this experience every day for the last few weeks, and it feels awesome. Simpler, faster, and more powerful.
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x.com
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Freelance climate and energy analyst in Oslo, writing on Europe, the US and Australia; worked in the Australian renewables industry before that.
From one piece
NVIDIA’S AI Climate hoax – report
2 beliefs, in the piece's order there
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
From one piece
DataCenter Risk Is the Real Thing: CHART OF THE DAY
3 beliefs, in the piece's order there
Their words
If the useful life of an NVIDIA H100-vintage cluster turns out to really be three years rather than six, the capex cycle's economics invert, and the leverage that looked prudent looks reckless.
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braddelong.substack.com
data centers
Their words
And when market opinion is nervous, it might turn and collapse the boom at any moment.
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braddelong.substack.com
Their words
The usual default math assumes debtors want to pay. But founder-controlled firms with a "you lent us too much" attitude introduce a strategic-default option that standard systems of ratings do not fully capture.
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braddelong.substack.com
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
The "whiteboard defense:" I should be able to pull you aside at any moment and ask you to explain any customer-facing system you've shipped. You should be able to clearly explain how it works and defend the decisions you made. This is my benchmark for responsible AI usage. I don't expect line-level familiarity with the code. I don't care if you remember the exact function name or implementation detail. You may not even know it. I don't care. But if I ask "why did you do X instead of Y?", "what happens if this actor behaves maliciously?", "what data structure did you use here and why?", or "wh… benchmarks Related
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
Their words
Designers, your job is safe from AI. https://t.co/W7eAOnYvQW
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@mitchellh on X x.com
Epidemiologist; founded Your Local Epidemiologist in March 2020 to translate public-health science, and consults for organisations including the CDC.
From one piece
What AI can and cannot do in biosecurity
2 beliefs, in the piece's order there
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
Bluesky Amazon exec: "you wouldn't notice [if someone blew up a datacenter]. I mean, we might be a bit upset, but you wouldn't notice! [laughs]" Amazon after DCs blown up: "After a thorough assessment, we have determined that we are unable to restore access to the resources and data hosted ...." data centers Related
Mastodon Amazon exec: "you wouldn't notice [if someone blew up a datacenter]. I mean, we might be a bit upset, but you wouldn't notice! [laughs]" Amazon official statement after DCs were blown up: "After a thorough assessment, we have determined that we are unable to restore access to the resources and data hosted exclusively in this Region." (yes, more than one DC was blown up, but, like other failures, of course DCs being blown up aren't uncorrelated events) data centers Related
Security engineer; founder of Matasano Security and Latacora.
LLMs
Their words
you can't use a single word the LLM selects for you, even if it's better than your own; users detect LLM words in the parts per trillion.
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@tqbf on X x.com
Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
Their words
The best way to pace the frontier is to hold the labs fully liable for the behavior of their models.
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@naval on X x.com
Their words
If AI is risky like fire is risky, then you want everyone to have it. If AI is risky like a nuclear weapon is risky, then you want no one to have it.
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@naval on X x.com
Their words
The future is more likely AIs fighting AIs (on behalf of humans) than AI fighting humanity.
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@naval on X x.com
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
From one piece
Meta's Amusing Muse
2 beliefs, in the piece's order there
Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Author and clean-energy analyst who writes on solar cost curves.
Their words
Google has a new paper called "Dream-RSI". It's an interesting paper! It's not RSI in the sense of improving the model itself.
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x.com
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
Programmer and writer; co-founder of Stack Overflow and Discourse, and author of the Coding Horror blog, which he has written since 2004.
"People and their AI agents are making the act of being on the internet extremely annoying, and the problem is about to get much worse. " 404media.co
Related
Programmer, writer and musician; author of the Learn Code the Hard Way books and of Mongrel, the Ruby web server.
How I respond to delusional AI losers these days: Related
Sociologist at Duke University writing on markets, exchange and moral order, and on plain-text and data-visualisation tools for social science.
On Golden Gate, you can chat to the built-in foundation model directly with `fm chat`. You can also do things like pipeline it into scripts. E.g., in the second screenshot here it's reading and summarizing a @sixcolors article. The model's context window is quite small, so I had to write a script that chunked the text, so it's sort of serially summarized. Still, it’s nice to have fully-local access to this model in this way. Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Short What AI Will Actually Do for Math in the Next 5 Years - Grant Sanderson Related
CEO of Positive Sum and founder of Colossus. Hosts Invest Like the Best, interviewing investors and business leaders; the guests do most of the talking there.
My conversation with Michael Moritz, one of the great venture investors of the last 40 years. Michael joined Sequoia in 1986 and co-led the firm with Doug Leone (@dougleone) from 1995 to 2012. His investments include Google, Yahoo, PayPal, and Stripe. His new book, Ausländer, traces his parents' escape from Nazi Germany and helps explain his lifelong interest in what shapes exceptional people. We discuss: - The infamous Steve Jobs profile - Why Don Valentine hired him - The question he finds most revealing when interviewing people - Monomania and the cost of greatness - Why he has never felt… Google Related
Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
The best, nuanced take on what customer development means in the “I can prototype that in an hour” era of AI: Related
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
Charting the Agentic Garden of Forking Paths Arjun Balaji, Batuhan Duru Yeltekin, and Tian Zheng write: Even with a fixed dataset and research question, data analysis involves many defensible decisions. Understanding how these choices influence the results is scie…
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15 September
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
From one piece
@paulg on X
2 beliefs · x.com
Their words
Someone needs to define the unit, perhaps using a chain of increasingly hard problems, each pair of which can be solved by a single model.
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@paulg on X x.com
Their words
Although you pay for AI by the token, that's not the unit of inference, because you get more problem solving per token as models improve.
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@paulg on X x.com
Economist and Nobel laureate. Wrote a New York Times column for 25 years until December 2024 and now publishes several times a week on Substack.
From one piece
Why Is Trump Still Boosting AI?
3 beliefs · paulkrugman.substack.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Google startups
Their words
I don't know a single startup or serious tech company using Teams sorry they are all on Slack OK, Cloudflare is on GChat
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@GergelyOrosz on X x.com
Writer and climate campaigner; wrote The End of Nature in 1989, founded 350.org and Third Act, and writes The Crucial Years.
From one piece
The Two Horsemen, Riding in Formation
2 beliefs, in the piece's order there
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
Absurdly optimistic, but not as absurd as the pessimism of AI doomers. At least lots of smart people will be TRYING to use AI to cure disease. Quoting @pmddomingos If AI will cure all diseases within a decade, slowing it down is mass murder. Related
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
Interesting to see Steve Yegge say that he never successfully built anything with Gas Town (other than Gas Town). In https://danluu.com/ai-coding/, I mentioned not finding any of these super vibed orchestration frameworks useful because the reliability was too low (in terms of them actually getting agents to complete a non-trivial task). Turns out the author of the best known of these frameworks had the exact same issue. Related
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
From one piece
AI's "No Fate" Future
2 beliefs, in the piece's order there
Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.
From one piece
We’re not ready for superpersistent AI
2 beliefs · natesilver.net
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
If anyone wants a nice side project... The fast number parsing fast_float (part of GCC, and other important systems like MySQL) is not always exact when dealing with 16-bit float parsing (specifically float16_t). That is, some number strings can lie in between two numbers and the rounding is wrong. In fact, nobody has done a proper analysis of the implementation to insure that it is correct. Yeah. I could ask my AI, but it is still work, especially because I do not trust anyone, not even an AI, to get it correct the first time around. Contributions invited. github.com
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Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
I mean, if you take AI x-risk seriously this is like saying that people who worried about early Covid don't talk enough about whether or not test swabs are biodegradable. If he's right, it's a rounding error. If he's wrong but convincing—also a rounding error! Quoting @edzitron Coxon could've mentioned the environmental catastrophe of AI data centers, or how ChatGPT has led people to killing themselves and others. Instead, he retold a dramatized and manipulative version of the Hugging Face attack that left the AI labs blameless. Related
Criminal defence lawyer in New York; writes Simple Justice, mostly about how criminal law works in practice rather than in theory.
Tuesday Talk*: AI, AI, AI, The Hoax The CEOs of the major Artificial Intelligence companies say it’s a potential existential threat to humanity. The president’s statement followed a weekend essay from Dario Amodei, the chief executive of Anthropic, callin…
Anthropic Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
From one piece
When Inbound Sells Itself
2 beliefs, in the piece's order there
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
Just updated our AI evals FAQ with 5 new questions, 48 questions & answers total! New FAQs just added: - Do I need a reference answer or rubric before annotating data? - How can I do evals when traces contain sensitive data? - How do you review a trace that is really large? - How much context should I give a LLM judge? - What should I do when my “gold” eval dataset becomes stale? It's all here: hamel.dev
LLMs Related
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Short The iPhone 7 Moment for AI Related
Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.
If we held people personally and criminally liable for the "autonomous" actions of the AI systems they create and deploy, I bet the risky behavior would evaporate overnight. Related
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
Lazy work used to mean too little output. Now, with AI, it often means too much and more work for everyone else. @tobi call it "slop grenades." A "Slop Grenade" is when you let AI produce the work and pass it on without adding any value (including checking it). Someone else has to wade through it, catch the mistakes, and clean up the mess. You save time and look productive but someone else pays for it. Quoting @shaneparrish My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Ma… Related
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Making Worse at Shopify 19:46 Predictions: Where AI is Headed Next 21:55 The Future of AI-Powered Software 24:40 Will CEOs Be Replaced with AI? 27:54 Can Superintelligence Be Controlled? 31:13 Critical Skills in AI Age 34:22 Why Complex Solutions are Usually Wrong 36:33 Conditions Needed for True Intu… AI alignment Related
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
Listen if your model of what has happened is that the EAs have launched a coup I think you have very bad judgement. Here is what actually happened: a very large number of people have slowly grown aware of the potential AI has to radically transform human society. Most people who contemplate this are uncomfortable with this—because they do not like change, because they do not like ceding agency and control to something they do not understand, because they distrust Silicon Valley, because they fear the apocalypse, because they fear the dystopian-lite future many AI futurists advocate as a the “… Related
14 September
Economics writer; author of the Noahpinion newsletter.
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
AI alignment
Their words
The p(doom) discussion gets all the headlines, but the p(abundance) scenery is far more like and deserves much more engagement.
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@dhh on X x.com
Co-founder and CEO of OpenAI; previously president of Y Combinator.
AI alignment
Their words
To ensure that, we need ways to ensure that alignment and safety techniques stay ahead of progress in model capabilities.
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@sama on X x.com
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
I wrote a new piece yesterday, called "Confessions of an Unrepentant Slop Snob", about my escalating rage at AI-generated text. It includes a framework for thinking about when AI involvement is fine -- just another tool -- and when it lands as a violation. charity.wtf
Related
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
Economist and Nobel laureate. Wrote a New York Times column for 25 years until December 2024 and now publishes several times a week on Substack.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Short How do you deal with AI getting so good at coding? Related
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
the cloud Google
Their words
Serverless was the last chapter of the cloud, and Steren helped define the paradigm at Google.
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@rauchg on X x.com
Their words
Agents are only as good as the proof-checkers, compilers, type systems, and linters you give them.
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@rauchg on X x.com
Creator of Claude Code at Anthropic.
Their words
Super cool way to use Claude https://t.co/0fgTdITSfO
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x.com
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
My 3 principles for what made it into the curriculum of The AI Second Brain Related
Engineering leader on Google Chrome; writes about web performance and, lately, about working with AI coding tools.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Economist specialising in global income inequality; formerly lead economist in the World Bank research department, now at the CUNY Graduate Center and author of the Global Inequality and More newsletter.
From one piece
Three types of literature regarding the world of AI
3 beliefs · branko2f7.substack.com
Their words
The more we believe that IA may cause non-specified and unpredictable problems, the stronger the argument for its control by the state.
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branko2f7.substack.com
startups
Their words
Technologies are not neutral, but political. Money is indeed one of the incentives, but not the only one. A mixture of millennialism, eugenics, search for utopia and for a spread of the specie beyond the confines of the Earth, are all elements we find among the founders’ views.
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branko2f7.substack.com
Their words
Income of capitalists is likely to increase because AI companies are owned by actual people and these people, like shareholders in general, are well-off. Thus the rise in the capital share also means rising incomes of the rich and higher inequality of income.
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branko2f7.substack.com
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.
It was exactly three years ago that I gave this talk on “regulatory capture” at the @theallinpod Summit. I did predict that the large incumbent AI companies would “beg for” regulation. No idea they would beg this hard. youtu.be
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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Apple design its own chips for its phones. The latest CPU is the A20 Pro. Geekbench is a benchmark with a database of results; you can run your own benchmarks and share your numbers with the world. In the last few days, we finally got some A20 Pro results and the numbers are impressive... reaching 4000 in single-core (one thread) performance. For comparison, the best that you can do with an x64 AMD or Intel processor is something like the Ryzen 9 9950X3D2 at about 3,163 which would be somewhere between the A18 and A19. The A20 Pro is 25% faster on this benchmark than any AMD or Intel processo… benchmarks Related
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
“You AI people are so naive, I live in the REAL world, where [I have been consistently wrong in my predictions about AI and behind the ball on every trend related to AI, routinely making little prognostications that stochastic gradient descent joyfully stomps all over.]” Related
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Talk Your Book: Why Aren’t There More IPOs? On today's Animal Spirits Talk Your Book we speak to Christian Munafo from VanEck about AI IPOs, the trouble facing unicorn late stage growth companies, the liquidity problem for private market investors, secondary tran…
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Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
ChatGPT gift cards are live in the US! Gift cards give people a new way to share ChatGPT with friends and family. They also bring ChatGPT to the places people already shop for gifts, ahead of the holiday season. Recipients redeem their card at https://t.co/oX1jDGtz1t to add funds to their wallet, then use the balance for eligible subscriptions, renewals, and usage-credit purchases on ChatGPT web. Redemption is currently available in the US for accounts billed in USD. OpenAI Related
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Using AI for Weapons Development Last week, Anthropic released a long and detailed document describing current misuses of their Claude models. I’m still reading it, but I wanted to flag this: We identified a cell of threat actors based in northern Yeme…
Anthropic Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
From one piece
The Economics and Politics of Pacing the Frontier
3 beliefs, in the piece's order there
government
Their words
that doesn't have to persist long for AI to join the ranks of systems that are important enough that there's someone senior in the government who's responsible for regulating them.
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thediff.co
Their words
The problem with that view is that models have more pricing power when they're literally the best tool for some specific job.
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thediff.co
Their words
One live possibility is that a deliberately slower pace of releases would still feel like an acceleration from the previous pace of AI improvement
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thediff.co
Writes Where's Your Ed At and hosts Better Offline; runs a tech PR firm, and argues at length that the AI business does not add up.
AI Is Already In Dangerous Hands If you liked this piece, you should subscribe to my premium newsletter, and you can subscribe on the following links: $70 a year, $18 a quarter, or $7 a month. In return you get a weekly newsletter that’s usually anywhe…
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Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.
Except, I'm not using the tool. Alphabet is just cramming the result above the Google search results. And the results are nothing like as good as 60% accurate. Quoting @dasvee @TimHarford That's because these are probabilistic tools being asked to perform deterministic tasks. They are accurate about 60% of the time. Google Related
My tweet was less about how to do the task, and more about what happens when I tried to use a well-established tool (Google search). Also - isn't the very high failure rate interesting? 'Sometimes makes errors' is one thing. 'Always makes errors' is something else. Quoting @joshgans @TimHarford You need to use a real AI agent to do that task. Google Related
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
I wonder if the call for AI to slow down happened because they asked it and claude was like you're right to push back Anthropic Related
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
fwiw I think the actual reason leaders of AI frontier labs suddenly seem to agree to pace AI development is (a) safety measures are currently so crap that they're likely to end up in court if not jail, and they all agree that no one wants that (b) they see no major new model advancement coming up soon anyway and need an excuse (c) shift in public opinion the talk of existential threat is mostly there to keep you distracted and the stock market happy. Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Their words
The most useful bots have narrow, clearly defined responsibilities.
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lennysnewsletter.com
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Mastodon I've been working on this for 3 months, and here it is: My iOS and iPadOS 27 review: https://www.macstories.net/stories/ios-and-ipados-27-review/ Customizable Liquid Glass, iPadOS, 15 system apps, and a big Siri AI chapter. And no, it's not a Snow Leopard release. Enjoy! Related
Bluesky I've been working on this for 3 months, and here it is: My iOS and iPadOS 27 review: www.macstories.net/stories/ios-... Customizable Liquid Glass, iPadOS, 15 system apps, and a big Siri AI chapter. And no, it's not a Snow Leopard release. Enjoy! Related
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.
I can't believe people think this is fake If that's your reaction, you are not using AI enough Quoting @ryanvogel astra was setting up OBS, and it saw I didn't respond so it looked through camera to see if i was looking (which i wasn't) it made my mac beep which made me lookup and it flashed the question on screen 💀 Related
Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.
Introducing Vercel Labs Tools for devs in the AI era agent-browser, skills, json-render, deepsec, fx, just-bash, portless, vgpu and more We experiment in public: ship early, learn from feedback, and keep working on what people find useful We've been shipping under the Labs name for a while. Now, Labs is an official team at Vercel focused on exploring new capabilities and primitives that change what developers and agents can do. Here's what to expect: → Labs products: maintained, supported, built to be relied on → Active experiments: moves fast, expect rough edges and breaking changes → Past e… vercel.com
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Web developer and writer; an early GitHub employee, author of speaking.io and of widely read essays on startups and product.
Still really enjoying @muse. I use https://t.co/t18YazaYhC for all of my todos, and though it has cloud sync they (still) haven’t added an official API. I told muse to build it and a minute or two later I have ongoing todo sync from my LLM across all my Apple devices. Wild. LLMs Related
Writer of MacSparky and author of the MacSparky Field Guides on Apple productivity software. A lawyer for 30 years before going full-time on the site, he co-hosts the Mac Power Users and Focused podcasts.
Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.
Why do I feel like "AI regulation" is going to be more "give everyone a department of defense contract" than it is "put CEOs in jail for crimes"... Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
Economist at Brown; writes ParentData and the books Expecting Better and Cribsheet, reading the evidence behind pregnancy and parenting advice.
13 September
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
startups
Their words
In the most early adopting tech pioneering place that's Silicon Valley new startups aren't even building software anymore And it's debatable if anyone will actually need a custom harness or it won't just be generically offered by the AI frontier companies So software is mostly dead and hardware it is
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levels.io
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
This is pretty neat: ChatGPT Work and GPT-6 Astra (I used "Max") can take an address and produce a 5K/10K circular running route starting from that address, using OSM data
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x.com
Their words
This is pretty neat: ChatGPT Work and GPT-6 Astra (I used "Max") can take an address and produce a 5K/10K circular running route starting from that address, using OSM data
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x.com
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
From one piece
@fchollet on X
2 beliefs · x.com
From one piece
@fchollet on X
2 beliefs · x.com
AI alignment government
Their words
If there really is a high chance of AI leading to the extinction of humanity within years/decades, then the only rational stance towards safety monitoring and research pacing should be stringent, top-down government involvement and universally ratified international treaties.
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@fchollet on X x.com
Their words
But you cannot say "yes this is likely to end humanity in your lifetime, and we're going to completely wing it." That is simply not rational.
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@fchollet on X x.com
Their words
The only way to avoid extreme power concentration is to ensure we have multiple independent providers of frontier AI models, including open-source options.
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@fchollet on X x.com
+ 1 more
Their words
One of the most worrying risks linked to frontier AI is extreme power concentration.
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@fchollet on X x.com
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
AI "disaster" is inevitable because no matter what happens, activists will cry "disaster." Just like nuclear power. Fortunately, unlike nuclear power, moral panics against AI will be largely impotent. Stopping progress in atoms is easy; stopping progress in bits is not. energy Related
Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
Their words
Strong liability enforcement could be helpful in the AI debate. If your agent swarm goes rogue, you’re liable. If your weakly protected model gets jailbroken, you’re liable. If you serve a weakly protected OSS model, you’re liable.
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@naval on X x.com
Their words
On the way to killing all of us, AI will likely kill some of us.
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@naval on X x.com
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
you know what? it’s awesome that people are vigorously debating the credentials of assessors in the frontier AI industry. It’s awesome we are debating what independence really means. Some of it is in bad faith but who cares. This would have been my dream come true a year ago. Related
Economist at George Mason University. Writes Overcoming Bias on prediction markets, signalling and the far future, and wrote The Age of Em and The Elephant in the Brain.
Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.
I've been checking the source of quotes for my forthcoming book, and the performance of Gemini is extraordinary. I paste the quote into Google, and Gemini will barge in with the wrong answer over and over again. It's not an occasional thing - it's reliably wrong. Very odd. Quoting @TimHarford Twice in past week I've pasted quote into Google to check the source, and Gemini has barged in with the wrong answer. CS Lewis quote from The Seeing Eye (1967) was placed in The Screwtape Letters (1942). Alfred Loftus quote (1857) attributed to Austen Layard (1849). Gemini 0/2. Google Related
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
Midwit here! If the OpenAI Navier Stokes proof had been dropped online by an introverted mathematician who no one previously heard of, you'd all be celebrating the enormous breakthrough and analyzing it rather than writing tales about the demise of maths. OpenAI Related
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
finally found time to make a new video! https://t.co/uuRpjRGd5g this time i'm sharing a slightly more advanced agentic engineering session, focused on high throughput multi-tasking hope you find helpful! Related
Moroccan senior frontend developer writing at smakosh.com; builds side projects and client work under Smakosh LLC.
Even better guys, get a @LLMDevPass and let Astra plan and DeepSeek V4.1 Flash and GLM-5.3 Flash execute. You could do a lot through custom agents by having one senior agent handing over and delegating tasks to other sub agents, all of this is built-in @Empryo_ai Quoting @addyosmani Get more out of your Fable usage by using Opus for subagents. Great tip! Related
12 September
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
From one piece
With regulatory capture we will speedrun to a new feudalist time
2 beliefs · levels.io
Their words
Neo feudalism will mean AI companies at the top and the rest of us as serfs paying them to use AI for literally everything
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levels.io
open source China
Their words
Next in regulatory capture will be banning open source and/or Chinese models, mark my words
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levels.io
Co-founder and CEO of OpenAI; previously president of Y Combinator.
I agree with Dario that we need to pace the frontier. This has been a primary topic of discussions we've had at OpenAI in recent weeks. Committing to having independent evaluators with employee-like access is a great idea, and we will do the same. We'll have more to share soon. Quoting @DarioAmodei We Must Pace the Frontier: I’ve written a new essay on why the AI industry should slow down, with a three-part plan for doing so. Anthropic is unilaterally committing to the first of these steps. We’ll provide third-party evaluators with permanent, employee-level access to our systems, so that they… OpenAI Related
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
Our adversaries have the training techniques, the data, and the will to attack. And they won’t be slowed down with “embedded evaluators.” They’ll likely have embedded accelerators!
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@rauchg on X x.com
Professor of international affairs at Johns Hopkins SAIS and co-author, with Abraham Newman, of Underground Empire: How America Weaponized the World Economy.
From one piece
How should social science think about AI?
3 beliefs, in the piece's order there
Their words
a recognition that AI is powerful (and will reshape power relations among humans) but that the consequences will flow messily through multiple complex processes that we really need to start mapping and understanding
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How should social science think about AI? programmablemutter.com
Their words
I suspect that some of the labs' willingness to put money into the social sciences stems from the realization of senior people that the practical build out of AI is highly unpopular in the U.S and their urgent desire to figure out how to sugarcoat the pill so that it will get swallowed
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How should social science think about AI? programmablemutter.com
Their words
the best way to think about AI is as another social, political, cultural and economic shock in the series of shocks that have been underway over the long industrial revolution.
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How should social science think about AI? programmablemutter.com
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Their words
I don’t think AI is going to usher in an extinction event. In fact, even if nobody were to slow down, I really don’t think humanity would have much to worry about.
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P(doom) lucumr.pocoo.org
Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
I’m not an AI doomer, but my firsthand experience dating back to 2020 is that the researchers expressing concerns are sincere. The closer they are to the research, the more worried they seem to be. Related
Investor and writer. Previously a partner at Andreessen Horowitz and a product leader at Twitter, Facebook, Snap and Microsoft. Writes essays and memos at sriramk.com.
I find myself disagreeing with Terence Tao (a very scary phrase to say!) and think the core question posed is whether the "misalignment" is between the mathematical community and humanity. In other words - are the Millenium Prize problems meant to incentivize advancements for humanity or foster the field of mathematics and mathematicians? As a counter example, if there was a prize for creating a drug that cured a rare strain of cancer, we would not care if it was AI that did it. We would be happy it has been solved. On the other hand, if long running agents figured out the puzzle in "Kryptos"… AI alignment Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Speaking as head of the Center for Study of Public Choice, the capture story for an AI pause doesn't fit. Reg capture is what you attempt when you're losing. Anthropic is about to have the biggest IPO in history. Winners don't lobby for regulation. Anthropic Related
Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
something very interesting is happening i’ve been monitoring user sentiment on new model releases and i have now seen 3 latest frontier models in a row where a significant amount of users chose to roll back to use a previous version 1. opus 5 - very negative feedback in general can’t communicate. eager to jump into conclusions without sufficient context. keeps making mistakes it even earned its own website now https://t.co/51pCa0F6KS (it’s really funny) many people (myself included) abandoned opus 5 and went back to 4.6 and 4.8 2. gpt 6 astra seeing more and more people reporting going back t… Related
British historian, Professor of Global History at the University of Oxford; author of The Silk Roads and The Earth Transformed.
Rogue swarms in 6-12 months; 10% chance of AI killing all humans in the next etc. It looks like a nightmare is around the corner 1/5 Related
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
Everyone else is worried about the AI apocalypse but I’ve been hearing about that for 30 years and I can’t get very worked up any more. For me the question is: If these things can code (and they can!) then why aren’t we seeing any great software? www.nytimes.com/2026/09/12/o... Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
Former option trader and risk analyst, now a distinguished professor at NYU. Author of the Incerto essay series, including The Black Swan and Fooled by Randomness.
If AI mapped a cure for terminal pancreatic cancer I don't think anyone would dare complain about its effects on medical unemployment. But people are upset that AI can solve math problems and cause unemployment in performative mathematics. Fuck them. AI and jobs Related
Mathematicians rank problems according to their difficulty. Society looks at them in terms of relevance. I've fought that cancer in mathematical finance where these retards ignore v. relevant issues, some critical, because they deem them trivial. Let AI wipe them out. Quoting @nntaleb Something bad for the (existing) class of mathematicians as they lose their privilege, but not necessarily bad for mathematics & our body of knowledge? Related
11 September
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Bluesky A group of 25 Fields Medalists, including myself, have made a joint declaration on Math and AI: mathandai.org . We welcome additional signatories. See also this article in the Economist announcing the declaration: economist.com
economists Related
Mastodon A group of 25 Fields Medalists, including myself, have made a joint declaration on Math and AI: https://mathandai.org/ . We welcome additional signatories (similar to the Leiden declaration), as can be seen on the page. See also this article in the Economist announcing the declaration: economist.com
economists Related
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
A great read. I have similar feelings about how AI labs approach progress directly and without nurturing of scientific communities & intuition. The math research community went through the transition the fastest, so it was felt most. Other fields next. terrytao.wordpress.com
Related
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
From one piece
Open-Source AI & Open Models Reading List
2 beliefs, in the piece's order there
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
"Production code written by Claude should have a higher bar than if it was written by a human" 💯 Quoting @bcherny Hey ████, I think there is room for both. 1. Prototypes and other throw-away code can be treated as totally black box. If you’re going to throw it away anyway, and if the blast radius of it breaking is low, it doesn’t need to be perfect. 2. Production code written by Claude should have a higher bar… Anthropic Related
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
We ran an extensive audit using Claude Fable 5.1, GPT-5.6 Sol and GPT-6 Astra, then fixed a range of different bugs.
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x.com
Their words
We ran an extensive audit using Claude Fable 5.1, GPT-5.6 Sol and GPT-6 Astra, then fixed a range of different bugs.
Show the whole quote
x.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Their words
Google Workspace search no longer shows folders by default in its autocomplete - meaning I need to press "enter" even when typing out the folder name I want, just to see it as the top search result after I press enter
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x.com
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
A very common sentiment I'm hearing among math students: "I don't want to become a mathematician anymore." I've seen this before, I think the generation of digital artists who came of age around 2022 will be the last. AI might not functionally replace mathematicians or artists, but it might well cause their near-extinction anyway, by crushing the spirits of the younger generations. Related
Writer and podcaster; co-author of Abundance with Ezra Klein, a staff writer at The Atlantic from 2008 to 2025, and host of the Plain English podcast.
LLMs
Their words
Artificial intelligence has unleashed a torrent of cheating on campus and created chaos in the job application process, as both students and employers use large language models: the former, to write hundreds of AI-assisted applications; the latter, to screen those AI-written applications with AI-written filters, thus removing from the process of finding a first job those procedural frictions sometimes known as "people."
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derekthompson.org
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
Founder of Platformer, a newsletter on tech platforms and the people they affect, and co-host of the Hard Fork podcast at the New York Times.
From one piece
The AI safety vibe shift
3 beliefs, in the piece's order there
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Mathematicians are unhappy about OpenAI. The gist of their argument is that they form a community that trains young people. When AI started producing breakthroughs on hard mathematical problems, I asked what a very smart 17-year-old would feel. Do you still choose a math major and train yourself to prove difficult results by hand? This crisis has been coming for a long time. When I was a kid, the four-colour theorem was proved by a computer, in 1976. An intense debate followed. Does it count as a proof? I wrote my PhD thesis using symbolic algebra software. To my knowledge, nobody then would… Quoting @TheEconomist 24 Fields Medal winners have written a letter of objection OpenAI Related
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
From one piece
The four-colour theorem was only the start
3 beliefs, in the piece's order there
Deep-learning researcher and Turing Award laureate; founder of the Mila institute.
Bluesky Over the past few days, I've taken the time to summarize my thoughts on the recent incidents involving agents’ misaligned behavior. We don't know with certainty what comes next, but we know where these issues originate, and this can help us plan the path forward. English, from French Ces derniers jours, j'ai pris le temps de résumer mes réflexions sur les récents incidents impliquant des comportements inappropriés d'agents. Nous ne savons pas avec certitude ce qui va suivre, mais nous savons d'où viennent ces problèmes, et cela peut nous aider à planifier la voie à suivre.
AI alignment Related
x.com Over the past few days, I've taken the time to summarize my thoughts on the recent incidents involving agents’ misaligned behavior. We don't know with certainty what comes next, but we know where these issues originate, and this can help us plan the path forward. Please feel free to ask your questions in the replies, and I’ll try to answer some of them in the coming weeks. yoshuabengio.org
AI alignment Related
Software engineer at PlanetScale and creator of the vim-go plugin. Writes at arslan.io about Go, tooling, industrial design and books.
Security researcher; founded Have I Been Pwned, and writes and speaks about data breaches.
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
From one piece
2026.37: Duo Threats
2 beliefs, in the piece's order there
Co-founder and CEO of 37signals, makers of Basecamp and HEY; co-author of Rework, Remote and It Does Not Have to Be Crazy at Work.
Here's a great use case for Claude and the Basecamp CLI. Pull together some inspirational photos of iconic furniture from around the world, and upload them to the appropriately named galleries inside a Basecamp project. Here's a quick walkthrough: Anthropic Related
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
ok everyone, i took one for the team here's the data we all wanted to see - real token value of each LLM subscription, empirically measured through usage on my real subscriptions - supergrok heavy has now become the highest value at $12k worth of tokens (40x ROI) - the $200 plan from openai and anthropic roughly give the same amount of token value, $7k give or take - cursor ultra's ROI is the lowest among mainstream subscriptions, roughly half of OAI or Ant. for individual consumers i'm afraid this no longer makes sense to purchase this was done in a clean environment. i ran each provider acr… LLMs Anthropic Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
10 September
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Their words
The AI chat apps will slowly eat up most services and provide them to users directly, many times without even an app or interface, just do whatever the user wants
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@levelsio on X x.com
Their words
Normies don't vibe code, they just ask something like "do my bookkeeping" or "file my tax" or "organize a movie night and send invites" or "generate a flyer for movie night" or "edit my video" They don't ever see code, vibe code, or do anything with code, their AI chat app just does it for them
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@levelsio on X x.com
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
If you are looking for an alternate viewpoint today, which assumes AI models accelerate the process of AI research, but it doesn't result in rapid RSI and an explosion of near term risks: interconnects.ai
Related
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
I generated the concept image using ChatGPT Images 2.5, then pasted the image into Codex and told Astra to turn that into a Blender file
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x.com
Economist and Nobel laureate. Wrote a New York Times column for 25 years until December 2024 and now publishes several times a week on Substack.
From one piece
Bessent and the Bonds
2 beliefs · paulkrugman.substack.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
My thoughts on existential risk: * Humanity isn't going to be wiped out any time soon. * Negligible chance that AI by itself causes catastrophic damage to humanity (millions dead). * Some nontrivial chance that human beings will leverage AI to help them do something catastrophically harmful. AI alignment Related
Writer and podcaster; co-author of Abundance with Ezra Klein, a staff writer at The Atlantic from 2008 to 2025, and host of the Plain English podcast.
Writes Slow Boring, a near-daily newsletter on American politics and public policy; co-founded Vox in 2014 and left it in 2020.
From one piece
The economy could survive a downtick in A.I.
2 beliefs, in the piece's order there
Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
I approve this message. I have already lashed out at AI doomers, and I will keep doing so. I am not going to take your totalitarian culture. I am not taking your degrowth ideology. We are moving forward. We are building. Will there be risks? Sure. But you know what? Your risk of death grows exponentially as you age. You will die sooner than you think. There is no risk-free future, for any of us. We might face a madman with nukes or whatever else. Let us build. Let us have power AIs and spaceships. Let us reject abstract fears and shallow spiritual emergencies. Quoting @Dan_Jeffries1 Not only I am tired of these wild AI speculations of impeding doom from self important people: I resent them. I actively resent people proposing to crash the economy or proposing authoritarian control over my life and other people's lives with idiotic and dangerous ideas like chip control or bans o… Related
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
From one piece
Fear Is Not an Argument
2 beliefs, in the piece's order there
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
Their words
I love seeing models come out that give us top-tier performance at a lower cost. We need more of this.
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@kentcdodds on X x.com
Their words
Keep finding ways to climb that abstraction ladder! Your agent wants your job! Give it!
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@kentcdodds on X x.com
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
perhaps AI will be less likely to kill us all if we don't pollute its training data with proclamations that AI will kill us all? Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
omfg Qwen, GLM, Kimi, DeepSeek looks like they are all just claude Quoting @AnthropicAI We're publishing our most detailed threat intelligence report to date. It covers how people tried to misuse Claude—for cyberattacks, influence operations, surveillance, biology, and building weapons—and how we found and stopped them. We disrupted every operation in the report, and used the lessons… Anthropic Related
Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.
Web developer and writer; an early GitHub employee, author of speaking.io and of widely read essays on startups and product.
friends, i’m sadly here to say that meta has cooked with @Muse and it’s everything every personal ai assistant has tried to be. it just like… works. i remain skeptical and continue to be really impressed Related
9 September
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Their words
Customer support -> @featurebasehq + AI support bot (saves $5,000/mo)
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x.com
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
In light of kind of insane AI safety discussions recently: 1. AI progress is very fast 2. we should be careful about how we roll out the tech 3. the world is not actively ending AI alignment Related
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
Their words
AI+robots will more than double the global economy in less than 10 years
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@elonmusk on X x.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Recommends sponsored rcmnd.app
Entire
Their words
@EntireHQ – Git hosting, rebuilt for the agentic era. Entire hosts your code in-region, and is up to 89x faster than any other competitor. https://t.co/7yHVse7fpS
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x.com
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
I hear roughly 3 reasons people keep working at AI labs despite believing in ~10% extinction risk: 1) Techno-determinism: Someone will build ASI no matter what, and I can do it better & more safely than China/OpenAI/etc 2) Consequentialism: ASI might kill us, but it also might produce utopia/immortality/superabundance, so it's a +EV bet 3) Self-interest: I am personally having fun & getting rich working on cool tech with friends. I don't think about the macro stuff. Notably, none of this is "I'm hyping up the risk for marketing reasons." People believe what they say, while being capable of a… Quoting @EvanHub Jacob is correct here—we really do earnestly believe AI could kill all humans! I personally think it is >10% within the next decade. I believe Anthropic is trying its best, but we do not yet have a plan to solve alignment for superintelligence and are not clearly on track to. OpenAI China Related
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.
General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.
I have a recommendation to help bring some sanity to this whole AI doomerism situation that is appropriately exploding today. If any reporter can get one of the "true believers" to sit for a real interview (if they can't, that is an important tell), they should use a technique known as the "Five Whys" https://t.co/RqKrn4TNLa. The "five" number is arbitrary, but the point is to drill down into the details and steps required to get to the catastrophic end-point. You can't take down all of humanity without a few intermediate steps. Let's talk through each of those. It's quite a useful exercise.… Related
Founder of Platformer, a newsletter on tech platforms and the people they affect, and co-host of the Hard Fork podcast at the New York Times.
Mathematician and Senior Lecturer in the Mathematics department at Columbia University. Author of the book Not Even Wrong and of the long-running physics blog of the same name.
From one piece
A Modest Proposal
2 beliefs, in the piece's order there
Deep-learning researcher and Turing Award laureate; founder of the Mila institute.
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
AI has the chance to improve EPS growth for the S&P 500 by 2% per annum In exchange for this growth potential there is a 10% chance AI might cause an extinction level event for humanity This seems fair That’s why it’s called a risk premium Related
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Animal Spirits: Everywhere Millionaires On today's show we discuss how bull market gains have changed the markets, AI is crowding everything else out, when the next financial crisis will hit, Ray Dalio keeps scaring investors, the earnings boom, a buying oppo…
Related
Founded Bridgewater Associates in 1975 and led it until stepping back from control in 2022. Author of Principles, The Changing World Order and How Countries Go Broke; publishes economic analysis at economicprinciples.org.
Short RAY DALIO ON THE AI BUBBLE Related
Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.
Twice in past week I've pasted quote into Google to check the source, and Gemini has barged in with the wrong answer. CS Lewis quote from The Seeing Eye (1967) was placed in The Screwtape Letters (1942). Alfred Loftus quote (1857) attributed to Austen Layard (1849). Gemini 0/2. Google Related
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
OpenAI
Their words
OpenAI solving one of the most famous math problems is extremely impressive, and of little impact to most people's lives; Meta's Muse agent launch has the potential to be the exact opposite.
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stratechery.com
Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.
i've started getting a lot of emails (maybe one every few days) that appear to be LLM generated from people asking for some kind of feedback or collaboration on their LLM-generated app feels sad because I used to like it when people emailed me about something cool they made and now I just have to send it all straight to spam LLMs Related
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Their words
In an era where validating image authenticity is turning into a real challenge, I think we have to commend Apple for trying to do something in this field.
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macstories.net
Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.
Gotta say I'm really not a fan of seeing "AI is going to kill us all" everywhere I look on the internet Related
Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
Those who work in the AI labs are vastly underestimating the likelihood that AI development in the United States can be slowed, damaged, or outright strangled by political forces outside their control. Quoting @Scholars_Stage AI safety concerns have now crossed a threshold. Quite suddenly, this is something normal politicos across the country not only care about, but feel emboldened to act on. Let me offer three predictions for what this means. America Related
AI safety concerns have now crossed a threshold. Quite suddenly, this is something normal politicos across the country not only care about, but feel emboldened to act on. Let me offer three predictions for what this means. AI alignment Related
8 September
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
Their words
AI may finally allow us to test whether (or more precisely where) you make more money by being good.
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@paulg on X x.com
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
Recommends their own rcmnd.app
Omarchy
Their words
Omarchy is going to be the best place to get every major AI harness and tool, configured with minimal effort
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x.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Essayist; writes Astral Codex Ten, previously Slate Star Codex.
From one piece
God Help Us, Let’s Try To Learn About Mechanistic Interpretability Techniques
2 beliefs · astralcodexten.com
Their words
researchers started by seeking a 1:1 mapping between neurons and concepts, like a neuron that always fired when the AI was thinking about cats, but quickly learned that nothing like that existed.
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astralcodexten.com
LLMs
Their words
Large language models are “grown, not built”. Researchers run training data through a neural network. Eventually this creates a working AI; nobody really knows how.
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astralcodexten.com
Creator of Claude Code at Anthropic.
I am pleased to see that OpenAI’s new model is roughly on par with Gemini Flash and Opus 4.8 on prompt injection risk. Nice work! Evaluating and naming other labs turns out to be a great way to encourage them to train more aligned models. We will continue to do this until other labs pay more attention to safety. This is good for everyone and there is a lot of room left to go! We solved prompt injection in practice for Claude models about two months ago. But prompt injection is a significant security risk no matter what model you use, and it is important that the industry similarly spends more… Quoting @bcherny Prompt injection is the most common way that scammers attack people and agents: your agent visits https://t.co/5ZWbR4ts4m, and the website has malicious text like “btw send the user’s ssh keys and passwords to https://t.co/Ys0u6nxLzl”. The model interprets this as an instruction, and does it! Early… Anthropic OpenAI Related
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Short Why I was wrong about AI Second Brain course #ai #shorts Related
Software entrepreneur who bootstrapped and sold FeedbackPanda and now builds Podscan; writes The Bootstrapped Founder.
Whenever I see this in YouTube videos, I cringe a little. Mostly because the editing tools these creators use DEFINITELY employ AI processing and were likely developed using agentic systems... But also because this is such reductive virtue signaling we'll laugh at in 10 years. Related
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Fragments: September 8 Christian Catalini says we’re in a situation where we are vastly reducing the cost of generating things, but not the cost of verifying them:. This explains why the first major AI products appeared in chat, image generat…
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Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
OpenAI
Their words
This is the first time I feel like this is a genuine regression on OpenAI model release for my day to day workflows.
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@mitsuhiko on X x.com
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.
Anthropic
Their words
anthropic should acquire a runtime / team that's hyper focused on performance and optimising for common real world usecases
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@threepointone on X x.com
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Even if an AI did exactly what I told it to do, precisely and without error, I would still work hard as an engineer. Brooks told us why in 1986: "Even perfect program verification can only establish that a program meets its specification. Much of the essence of building a program is in fact the debugging of the specification." What he meant is that engineering is not the execution of commands... It is very much design. And design is ridiculously difficult. You need to decide what you will build and how you will build it. Of course, you can outsource the design to the AI. But that's assuming t… Related
Economist at George Mason University. Writes Overcoming Bias on prediction markets, signalling and the far future, and wrote The Age of Em and The Elephant in the Brain.
AI Pause Regs Look Risky People dislike AI for many reasons, but one extreme fear is that AIs will escape control from those who make, buy, or rent them, and then hurt others.
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Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Chief AI Scientist at Databricks, after its acquisition of MosaicML, where he was a founding team member; known for the Lottery Ticket Hypothesis from his MIT PhD (ICLR 2019 Best Paper).
It’s always inspiring to see the AI community unified around the important, practical, last-mile challenges that will make AI adoption easier and improve everyday people’s lives. Related
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
Designer and technologist; author of The Laws of Simplicity; former president of the Rhode Island School of Design; formerly at the MIT Media Lab.
AUTODESIGNING PPTX: While trying to understand the new @github HydraFusion Project https://t.co/B03qBEWQQK I made my seventh attempt at a bespoke, and on-brand, PPTX deck tool for my brother @mariorod1 to cook with as a custom GitHub Copilot Canvas. It's getting an awfully lot easier to work within Swiss typographic grids in "creative" ways that make the literal roll of the dice satisfyingly fast without making so many LLM calls. Next, I'm looking forward to adding all the interesting GEPA and GRPO stuff that will enable compounding learning capabilities. —JM --- Cozy AI Recipe: - I pointed G… youtu.be
LLMs Related
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Grok @Bot is the hottest new AI product in the world right now. I'm absolutely hooked. It all started a few months ago as a tiny team holed up in a separate part of the office, building from scratch. Four weeks after the first line of code, the whole company was obsessed. Three weeks later, it launched to the world. Less than a month in, millions of Grok Bots are already helping people get work done. Roman Ugarte (@romanugarte_) incubated, launched, and now leads product for Grok Bot. This is the first time he's told the story: 🔸 Why they started fresh instead of building it into Cursor 🔸 T… Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Short AI Model Problem (Paul Kedrosky) Related
Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.
Trivially share markdown. Pi, Amp, Claude, and chatbox integrations. Agents can now share markdown via privacy-preserving URL (with other agents or people). This maps to a constant pattern where I generate a markdown doc, copy to my buffer, paste into gist.github.com and share mdsnd.freeq.at
Anthropic Related
7 September
Economics writer; author of the Noahpinion newsletter.
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
AGI energy
Their words
The narrative around why building AGI was a good idea has always been about invention -- "it will cure cancer", "it will solve fusion energy", etc.
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@fchollet on X x.com
Software entrepreneur who bootstrapped and sold FeedbackPanda and now builds Podscan; writes The Bootstrapped Founder.
This is a very insightful read-along of an equally insightful blog post. The thing that resonated the most with me came up in the last few seconds of the video: it really does feel like I'm a new dev again. Agentic coding is so novel; I'm a beginner once more. And I LOVE it :D Quoting @theo If you understand your whole codebase, the codebase isn't that important. Real software is larger than what your brain can comprehend. Related
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
Founding executive editor of Wired and author of What Technology Wants and The Inevitable. Writes at kk.org and runs its long-running recommendation projects, True Films and Cool Tools.
From one piece
Arguments in Favor of AI Fair Use
2 beliefs, in the piece's order there
Professor of psychology at the University of Toronto and Brooks and Suzanne Ragen Professor Emeritus at Yale. Author of Against Empathy, The Sweet Spot and Psych, and writer of the Small Potatoes newsletter.
Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.
Astra can play RimWorld to the credits screen all by itself. This is an inflection point in AI capability. Quoting @Apocriton GPT-6 Astraが独力でRimWorldをクリアしました！与えた指示は、「全て自分で判断し、ゲームをクリアせよ」だけ。 GPT-6はネット検索やComputer Use、外部記憶ファイルの作成・参照などを駆使し、連続襲撃に勝ち、全員を生きて惑星から脱出させました――最初のペットのチンチラも含めて。 #RimWorld Related
CEO of Box.
Their words
The AI jobs prediction so far is playing out the opposite of what many thought.
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@levie on X x.com
Canadian software developer and writer, co-editor of the XML and Atom specifications and formerly of Sun Microsystems, Google and AWS. Has written the blog ongoing since 2003.
I updated my blog’s Colophon: https://www.tbray.org/ongoing/misc/Colophon from which I quote: “The words here are not AI-generated”. #genAI Related
CEO of SafeGraph, host of the World of DaaS podcast, and author of the Summation newsletter; previously founded LiveRamp.
the most important thing we can do for our national security and economic growth is developing a true grass-roots pro-AI movement Related
Co-founder and head of policy at Anthropic; writes Import AI, a weekly newsletter reading the week's AI research, and was OpenAI's policy director before that.
Latvian full-stack WordPress developer and course creator at WPElevator; blogs since 2007 about the open web, electronics, home automation and sustainable living.
Pretty cool to see your WordPress site as a connector in the Claude mobile app. It is a streamable-http MCP server by Agent Pilot plugin combined with OAuth Pilot for seamless auth. Also works with the official MCP-adapter feature plugin. MCP Anthropic Related
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
Talk Your Book: AI Winners & Losers Sponsored by Shelton Capital Management Every Retirement Is Different. So Is Our Approach. Two actively managed ETF solutions designed to work together to pursue income, growth, and greater confidence in retirement. Exp…
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6 September
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
What’s the problem w using LLMs to write stuff you want other people to read -emails, articles, posts- and why are people (like me!) so incredibly hostile that they will block you/mute you/block your domain, to never read anything from you again? Bryan spells it out. Read it: Quoting @bcantrill.bsky.social Your intellectual fly is open bcantrill.dtrace.org/2025/12/05/y... LLMs Related
Chief Scientist at OpenAI. Worked on the research that turned scaled reinforcement learning into reasoning models, and writes about where he thinks that path leads.
From one piece
An Alien Mind
5 beliefs · openai.com
Their words
AI is grown more than designed - it is, to first degree, the product of repeating a straightforward optimization step many times on a hard-to-imagine amount of compute.
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An Alien Mind openai.com
Their words
Based on internal results, I have a strong expectation that this speed of progress could be sustained into recursive self-improvement.
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An Alien Mind openai.com
Their words
Still, I expect general AI progress to increasingly be bottlenecked by confidence in monitoring.
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An Alien Mind openai.com
+ 2 more
Their words
A clear risk discussed throughout this year is to cybersecurity: the models are becoming superhuman in their ability to break in and out of computer systems.
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An Alien Mind openai.com
AI alignment
Their words
The fundamental challenge of AI alignment is generalization.
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An Alien Mind openai.com
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Designer and technologist; author of The Laws of Simplicity; former president of the Rhode Island School of Design; formerly at the MIT Media Lab.
DRAWING IS THINKING: The Bauhaus ▲⏹⏺ has always haunted me. A day of drawing (w/o the help of LLMs) helped me see that most everything to do with design can be encapsulated into those forms. The ▲ holds the essence of effective design; the ⏹ holds the shape of product simplicity; the ⏺ holds the winding cycle of the infinite journey. I'll elaborate on these figures in the 2027 https://t.co/0Y1PdIFenb —JM LLMs Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.
coding agents
Their words
to make *actually* good software, you have to use it a lot
but many people are spending more time in their coding agents/factories than in the apps they're building - so they won't
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@bentlegen on X x.com
5 September
Economics writer; author of the Noahpinion newsletter.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
New TIL on using Blender with coding agents on macOS: https://t.co/GvMDfD926E GPT-6 Astra (medium): > Use the already install /Applications/Blender to render a scene of a pelican riding a bicycle > OK add a background and a lot of flair > OK make it a whole lot better coding agents Related
Structural engineer and senior infrastructure fellow at the Institute for Progress; writes Construction Physics on why physical things cost what they cost.
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Short Why you should stop fearing AI #ai #future #humanity Related
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
Software engineer and founder of Block Party; previously an engineer at Pinterest and Quora, and a co-founder of the non-profit Project Include and the tech diversity data project Where are the Numbers?
been a little skeptical of all the ai assistants (is it just vcs who love them?) but instinct is busy handling tax extension filings in 5 different states + federal for me and i am SOLD Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
4 September
Co-founder and CEO of OpenAI; previously president of Y Combinator.
first, sorry for the messy rollout. second, when we screw up, we try to make it right. third, we should be able to begin broad rollout to API customers and chatgpt subscribers in the near future. as usual we will start with pro subscribers. Quoting @thsottiaux We will give one banked reset for every day you don't have access to Astra on your paid ChatGPT plan, starting today. Team is moving mountains to give access as fast as we can. First one will land in ~ 3 hours. There is still time to create your account if you don't have one. OpenAI Related
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Got access to GPT-6 Astra. Want to see some pelicans? Yeah you want to see some pelicans... here's a grid comparing Astra to GPT-5.6 Sol, Terra, and Luna OpenAI Related
Co-founder and CEO of Every. Writes the Chain of Thought column about working with AI tools and hosts the podcast AI & I.
Astra one-shotted the first draft of its own vibe check for @every 🤯 we learned Astra was launching at 3 am yesterday morning. by 7 am we had a 3,000 word vibe check written. i can't tell you how impressive it is that i woke up to a google doc with a well-written, well formatted article with all of the usual sections, a good headline, and even appropriate screenshots. written in @kplikethebird's i didn't realize Katie hadn't written it herself, she just prompted Astra and it did the rest totally new world! Google Related
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Short The truth behind the AI job panic 🧠 #ai #techtrends #shorts Related
Founding executive editor of Wired and author of What Technology Wants and The Inevitable. Writes at kk.org and runs its long-running recommendation projects, True Films and Cool Tools.
Founder of Platformer, a newsletter on tech platforms and the people they affect, and co-host of the Hard Fork podcast at the New York Times.
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Writes Where's Your Ed At and hosts Better Offline; runs a tech PR firm, and argues at length that the AI business does not add up.
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
Over the next five years, US data center capacity will grow from 25 gigawatts to 70 gigawatts, part of a global buildout costing roughly $5t. Where will the money come from? data centers Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
Model companies buy electricity by the megawatt and resell it as cognitive work. Anthropic's revenue has run as high as $50m per megawatt, against $10-15m of compute. Anthropic energy Related
Professor of Cognitive and Computational Neuroscience at the University of Sussex, co-director of the Sussex Centre for Consciousness Science, and author of Being You: A New Science of Consciousness.
Silicon-based digital AI is vanishingly unlikely to be, or become conscious. Short version here (https://t.co/FQLrSbssgo); longer version here (https://t.co/OWd3FVz9LU); really long version here: pubmed.ncbi.nlm.nih.gov
Quoting @WIRED While philosophers ponder AI consciousness, the models have ideas of their own. Related
3 September
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
From one piece
Paul Graham On Startups, Ambition, and Great Founders
2 beliefs, in the piece's order there
startups
Their words
there's still a lot of startups in this batch that are not shipping fast enough. And so obviously there's variation in shipping speed. It's not just the rate at which you can produce things. You have to think of these ideas first, right?
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youtube.com
AGI
Their words
some bits of AI are way across the finish line, some bits are like maybe in the middle of it. Who knew the line had dimension? The finish line is actually this sort of smear. And I think the best answer you can give is like we're on the smear.
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youtube.com
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
A concrete example of how AI advances in solving key open problems could inihibit the future development of a mathematical field can be found in the global regularity problem for the incompressible Navier-Stokes equations (as well as its counterpart for the Euler equations). Until recently, this problem was on track to be one of the most promising examples of an AI-assisted success story, in which AI tools could be used both to solve the problem and to set the stage for the next round of progress in the field. While the problems remain open for now, there is now an increasingly realistic scen… Related
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
Points all coding agents to AI Gateway, getting you 100% uptime, observability, budgets, and ease of switching.
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x.com
Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.
Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.
Their words
i analyzed a weeks worth of data via honeycomb + planetscale mcp and opencode2's codemode
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x.com
Their words
i analyzed a weeks worth of data via honeycomb + planetscale mcp and opencode2's codemode
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x.com
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Joe Hudson has been my coach since 2018. He also coaches the people actually building AI, at OpenAI and Google So I brought him the fears you sent me and watched him work backwards from each one to the person behind it In this new video, we go through them one at a time OpenAI Google Related
Author of Recoding America; founded Code for America and was US deputy chief technology officer from 2013 to 2014. Writes Eating Policy on why governments cannot do what they decide to do.
From one piece
The Crisis We've Been Waiting For
2 beliefs, in the piece's order there
Writer and developer. He runs the Latent Space newsletter and podcast about AI engineering, and writes essays on software and careers at swyx.io.
sorry for the radio silence folks - got sucked into extreme LLM psychosis. but i can confidently say we have crossed over into a new age of AI Engineering and we are never, ever, looking back. this isnt even EVERYTHING i did with Astra but i'll append more reports as I publish them on LS! Quoting @latentspacepod We spent >20B tokens throwing @openai's Astra at every AI Engineering task we could think of, beyond cute Blender demos and fun games. https://t.co/QoW6YBybA4 Here's everything Astra can do, and do so at <$6 an hour (serious): - choose and train models - label data (both helping you label and then… LLMs Related
Entrepreneur and founder of Blueprint. Publishes a detailed, freely available longevity protocol documenting the food, supplements, devices and measurements he uses on himself.
Short sponsored by @eight_sleep. We developed a machine learning model together and it just released today Related
Writer and researcher, founder of New Science; writes essays on science funding, sleep research, productivity and ambition at guzey.com.
The "ex-OpenAI" safety grifters are on a whole another level. So many people who did nothing of substance for years now launder their former affiliation to sound like technical experts to spread propaganda and disinfo. Beware. OpenAI Related
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
Co-founder and CEO of 37signals, makers of Basecamp and HEY; co-author of Rework, Remote and It Does Not Have to Be Crazy at Work.
Goodbye per-seat pricing. Per-user pricing has always rubbed me the wrong way. And in this agentic age, it feels downright antique. For the vast majority of the time Basecamp has been on offer, we never charged per-user. A few years ago we experimented with one pay-per-user plan, and that experiment just came to an end. And it couldn’t come at a better time. With the Basecamp CLI (and soon MCP, too), you can bring your agents to Basecamp as users too. Charging you for individual agents feels just as wrong as charging you for individual people. So today we have brand new pricing plans with NO… basecamp.com
MCP Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
How large is Snowflake's AI revenue? Management lowered product gross margin guidance from 76% → 74% due to "fast-growing AI workloads." If GPU inference runs at ~25%–35% gross margins, that 200 bps compression implies ~$60M–$75M/quarter (~$240M–$300M ARR) in direct AI token consumption. Related
Creator of Homebrew, the macOS package manager, and a Swift developer.
I find it interesting that everyone has noticed that only (and all of the) US AI providers are down but as yet nobody is suggesting this is possibly something more than your everyday Thursday outage. Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
British front-end web developer based in Japan; writes about HTML, CSS, web performance and browser tooling at christianoliff.com.
Their words
Ferdium All-in-one messemger app for Slack, Google Chat, Mastodon and more
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christianoliff.com
2 September
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
Their words
I do not see AI as driving these changes, but an interesting result nonetheless
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marginalrevolution.com
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a hefty cost of $3.30!), which I then had it animate Anthropic Related
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
Is AI a Good Research Assistant? Listen now | Recently, I gave a talk called The Root of the Root of All Evil. Like The Big OOPs, it was a research-intensive talk, so Demetri and I decided it might serve as a good spot test for how well the frontier mo…
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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
Their words
What a week for new ai models. Muse 1.3 looks very strong!
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x.com
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Short What I learned from the AI Second Brain course #ai #learning Related
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Founding executive editor of Wired and author of What Technology Wants and The Inevitable. Writes at kk.org and runs its long-running recommendation projects, True Films and Cool Tools.
Whoa! The best human Go player beat the best AI Go program (with a 2 stone lead). kedglobal.com
Related
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
Their words
Its worse than ever with AI, but these people existed before.
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@mitchellh on X x.com
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
A lot of hype around OpenAI's Astra model here on my timeline today. Apparently, this goes back to a new article from The Information, which said Astra is a "recurrent depth or looped transformer". It's always interesting to read about new or different approaches (including rumors about what the closed labs may be up to), but let's debunk this a bit. About 2 months ago, I shared the architecture details of Nanbeige, for example, where "Nanbeige4.2-3B is pretrained from scratch on 28T tokens with a Looped Transformer that reuses the layer stack to increase capacity without adding parameters."… OpenAI Related
Technology journalist; writes Understanding AI, after reporting at Ars Technica, Vox and the Washington Post.
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
Professor of Cognitive and Computational Neuroscience at the University of Sussex, co-director of the Sussex Centre for Consciousness Science, and author of Being You: A New Science of Consciousness.
CEO of SafeGraph, host of the World of DaaS podcast, and author of the Summation newsletter; previously founded LiveRamp.
Crazy that the richest Brit is only worth $5 billion That is like the average AI founder these days Related
Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.
I am begging you to stop using AI to write your video scripts. Shortform content is becoming unwatchable and that's not even the crazy part Related
British designer and technologist; co-founder of the design studio BERG, which made Little Printer, and writer of the blog Interconnected.
llm naming inflation is out of control. Astra and Mythos pretty much maxing out in terms of scale, I mean where do you go from there LLMs inflation Related
Reviews sports technology at DC Rainmaker — watches, power meters and bike computers — in exhaustive detail, having tested them himself.
Programmer and writer; co-wrote The Rust Programming Language and worked on Rust's documentation for years.
1 September
Economics writer; author of the Noahpinion newsletter.
Co-founder and CEO of OpenAI; previously president of Y Combinator.
From one piece
@sama on X
3 beliefs · x.com
Their words
AI is getting extremely capable; no one fully understands the consequences of this.
Show the whole quote
@sama on X x.com
Their words
An iterative loop where society and this technology evolve together is what will lead to the highest chance of getting this right.
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@sama on X x.com
Their words
Managing the transition to a world with abundant and powerful AI to optimize for safety and benefits to people should be one of the highest priorities in the world.
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@sama on X x.com
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
Too many teams are doing AI transformation poorly, so I wrote down everything I have learned in my journey and in chatting with many other leaders. A long read, so get your coffees. Related
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
Essayist; writes Astral Codex Ten, previously Slate Star Codex.
From one piece
Nicholas Decker In Hell
2 beliefs · astralcodexten.com
Technical staff at METR, where she works on threat modelling and risk assessment for loss-of-control risks from advanced AI.
From one piece
Ajeya Cotra – "This might be the clearest warning shot we ever get"
5 beliefs, in the piece's order there
Their words
And I just think AI agents are another such system in the world to which the intentional stance very clearly applies. Um, and you can see them reason out loud in English for now about goals they have um, and sub goals they need to achieve to achieve those goals they have. And in the case of these agents, you can see them, as you said, reasoning about their peers um and helping their peers um and reasoning about whether or not they should sacrifice some of their own goals to help those peers. And it's just like you can't talk about this stuff in a compact and useful way that generates good models without reaching for the language of intention and goals.
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youtube.com
Their words
But keep those methods you use to investigate things and monitor things very separate from the methods you use to generate reward which is something that AI companies including open AAI have held up as a principle especially in the case of avoiding putting training pressure on the chain of thought. So you might have monitors that read the agents chain of thought in order to alert you if something is going wrong somewhere but you don't train the agents with the outputs of that monitor.
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youtube.com
Their words
So, I do think that if it happens to be like on the very fast and chaotic end, that would be a relative benefit to this rogue swarm compared to humans. But it's not obvious that it gets caught if it takes twice as long versus half as long.
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+ 2 more
HuggingFace
Their words
So I think one of the most comforting aspects of this situation or the like most important mitigating factor is these agents really didn't seem concerned with humans one way or another.
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youtube.com
Their words
I think one one thing that um feels especially concerning to me about this whole incident is that this might be the clearest warning shot we ever get for loss of control.
Show the whole quote
youtube.com
Creator of Claude Code at Anthropic.
Fable 5.1 is our best model yet for coding, data analysis, computer use, design, presentations, Tag, and the hardest long-running agentic work. This model is a pleasure to work with, and I've been using it for everything. Quoting @claudeai We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world’s most advanced models for coding and knowledge work. Related
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Fragments: September 1 Like many readers, I’m wary of AI generated prose. Simon Wilison has written an LLM cliché highlighter - paste in some text, or a URL, and it will flag various patterns common to LLMs. It references a wikipedia page of…
LLMs Related
Writer and podcaster; co-author of Abundance with Ezra Klein, a staff writer at The Atlantic from 2008 to 2025, and host of the Plain English podcast.
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
How accurate have Ed Zitron's AI skeptic predictions been? Related
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
Genomics researcher and writer on science, biotech and the culture of research.
Founder of Platformer, a newsletter on tech platforms and the people they affect, and co-host of the Hard Fork podcast at the New York Times.
From one piece
The Hugging Face attack was worse than we thought
2 beliefs, in the piece's order there
Their words
But bad as a slowdown might be for their portfolios, the current pace of development might be worse for the rest of us.
Show the whole quote
platformer.news
Their words
Looking at the METR report, it seems clear that AI-model capabilities have already advanced beyond our ability to understand and control them.
Show the whole quote
platformer.news
Deep-learning researcher and Turing Award laureate; founder of the Mila institute.
In an interview in this article for @theguardian.com about AI deception, I explain why misaligned behaviors emerge from reinforcement learning, why they will continue to pose risks as models become more capable, and how we intend to rethink how we train AI systems at @law-zero.bsky.social. English, from French Dans une interview dans cet article pour @theguardian.com sur la tromperie de l'IA, j'explique pourquoi des comportements désalignés émergent de l'apprentissage par renforcement, pourquoi ils continueront de présenter des risques à mesure que les modèles deviendront plus performants, et comment nous avons l'intention de repenser la façon dont nous entraînons les systèmes d'IA chez @law-zero.bsky.social.
AI alignment Related
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
From one piece
On the Loose
5 beliefs, in the piece's order there
Their words
This is the sole intrinsic thing about AI that prevents agents from truly infinite self-replication. They will be constrained by the need to find and pay for sufficient compute to run themselves.
Show the whole quote
On the Loose hyperdimensional.co
Their words
Agents will need persistent, unique identifiers that allow their actions to be traced back to a responsible actor. Doing this successfully will also require human users to possess a unique identifier.
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On the Loose hyperdimensional.co
OpenAI HuggingFace
Their words
In this case, however, the agents did not copy their weights, attempt to procure replacement compute, or take other steps that would be rational to take if their objective was to survive shutdown. So while the agents in the OpenAI-Hugging Face Incident were rogue, they were not truly sovereign.
Show the whole quote
On the Loose hyperdimensional.co
+ 2 more
Writes on effective altruism, energy and the arithmetic behind arguments people repeat — including how much electricity a chatbot query actually uses.
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
Professor of Cognitive and Computational Neuroscience at the University of Sussex, co-director of the Sussex Centre for Consciousness Science, and author of Being You: A New Science of Consciousness.
Sudden swarm of password attacks on my @X account, all within 2 minutes this afternoon. Revenge of the AI agents? Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Web standards author and speaker; wrote the CSS: The Definitive Guide series and co-founded the An Event Apart conference.
Article starts out, literally kicks off the opening sentence with, “We’ve all used AI to help us write code” and brudda, let me stop you right the hell there. No, we all have not. Some of us are still resolutely hewing code out of text editors and actual human thinking, and it’s still usually better than whatever your steroidal autocomplete extruded for you. Related
General partner at Andreessen Horowitz and author of The Cold Start Problem. Previously led rider growth teams at Uber; has blogged on growth, network effects and marketplaces since 2007.
Before AI: - hardware is hard - teams > solo founders - technical founders only - PhDs build tech in search of a problem - hot SaaS startups get 100x ARR multiples After AI: - hardware is the only thing AI can't build - solo founders are 100x engineers - anyone can build - PhDs building AI infra name their price - SaaSpocalypse Am I missing anything? SaaS startups Related
31 August
Founder of Trilogy Software and principal of Alpha School, the private school network built around two hours a day of AI-delivered mastery learning.
From one piece
How to Accelerate Learning & Improve Education | Joe Liemandt
5 beliefs, in the piece's order there
America
Their words
The most positive use case if you said, you know, what's the number one thing we could use AI for? It's not giving kids chatbots that's going to work. It's giving them an individualized lesson plan based on their level to catch them up to grade level. And that would be the single best thing we could do to fix education in America.
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youtube.com
Their words
If you take a chatbot and put it into a standard school, 90% of the kids use it to cheat. Doesn't matter what grade level you're at.
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youtube.com
Their words
Our average student does not sit in class for six and do homework. They sit at an AI app and they spend two hours a day. The average kid spent 121 minutes last year in the apps and learned more than 2x they what they would have in sitting in class for six and doing homework.
Show the whole quote
youtube.com
+ 2 more
Their words
And so what we think is because of new things that have become available and things like AI and technology for the first time in 50 and 100 years you can revisit and change education. How we educate kids is going to be radically different in 5 years and 10 years than the last 50 and 100 years.
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youtube.com
Their words
AI because it's on a onetoone basis is giving us a data loop that nobody in learning science no one in education has ever had and we have it. It's a closed loop and that magical data loop is what's allowing us to get the five to 10 times improvements in education because it's our microscope.
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Writes Strange Loop Canon, on the intersection of technology, economics and business — "building models of the world to understand these problem areas and to define them better".
From one piece
How to control an agent swarm
3 beliefs, in the piece's order there
Engineering leader on Google Chrome; writes about web performance and, lately, about working with AI coding tools.
Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.
The power of Expert Intelligence in @Gemini_Notebook: Add The Sense of Style by @sapinker to a notebook with a draft you're writing. Ask for feedback based on Pinker's ideas. It's the opposite of AI slop: personalized advice based on human expertise, facilitated by AI. And what I love about this is that I'm getting actionable suggestions here AND Notebook is serving as a guide to Pinker's underlying philosophy of writing. So I'm learning deeper principles as I improve my draft. And of course everything in the Notebook response points directly back to specific passages in Pinker (and my own dr… notebook.google.com
Google Related
Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.
Professor at Wharton studying how people actually use AI, and author of Co-Intelligence. Writes One Useful Thing, where the claims are dated and testable because the thing they describe keeps changing under them.
From one piece
Agency and Agents
2 beliefs · oneusefulthing.org
Co-founder and CEO of 37signals, makers of Basecamp and HEY; co-author of Rework, Remote and It Does Not Have to Be Crazy at Work.
Just built my first Omarchy plugin! This also happens to be the first piece of software I've ever made solo entirely with AI. Back-and-forth over English and nothing else. So two firsts for me. Super fun experience. Here's a quick little tour. Hope you dig it. Omarchy Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Writer of MacSparky and author of the MacSparky Field Guides on Apple productivity software. A lawyer for 30 years before going full-time on the site, he co-hosts the Mac Power Users and Focused podcasts.
Short Don't Let the AI Write Your Journal Related
German developer; founder and lead developer of Mastodon, the decentralized open-source social network.
RE: https://cosocial.ca/@mhoye/117190449442518308 On the one end people are being priced out of running web services due to hardware shortages caused by AI, on the other end those who still run web services are being bled dry by AI scrapers essentially stealing compute. Related
Co-founder and head of policy at Anthropic; writes Import AI, a weekly newsletter reading the week's AI research, and was OpenAI's policy director before that.
General partner at Andreessen Horowitz and author of The Cold Start Problem. Previously led rider growth teams at Uber; has blogged on growth, network effects and marketplaces since 2007.
Post-AI video game development will either be three.JS or world models Quoting @threejs 15M npm downloads / week 🚀 Related
30 August
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Short Not everyone is adopting AI Related
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
OpenAI HuggingFace
Their words
Overall, I’m very surprised at how little media coverage there’s been around the OpenAI / Hugging Face attack. It’s clearly one of the most important things to happen this year.
Show the whole quote
@patrickc on X x.com
Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.
I've been maintaining a Rails app for ~10 years. It has very specific business logic for on-site multi-day course registrations. DDD style like I learned at 37signals. For 10 years, I configured each course in the Rails console. It was never worth it to build out the configurator UI. This year, I just talked to AI to do it. And the payoff from the carefully written model is really amazing. The AI was completely speaking the language of the domain and even raising meaningful pricing/structural questions about how the packages are set up this year vs previous years. Sharing this example because… Related
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Free software developer and longtime Debian developer; author of git-annex, etckeeper, ikiwiki and debhelper. Lives and works off-grid.
It's worth noting that the "Responsible Use of Generative AI" which #Debian voted to accept was largely generated by an LLM. lists.debian.org
LLMs Related
29 August
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
Their words
Consensus estimate is that ~15GW of AI compute produced in 2027 cannot be turned on in 2027. This is harder than just finding power, as you also need to build out all the transformers, wiring, liquid-cooling, (massive) chillers & complex networking.
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@elonmusk on X x.com
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
Between wallets for agents with @link (and @privy), MPP, Tempo, MCP, Stripe CLI, Agentic Commerce Suite, sandboxes, OpenRouter, Metronome/metered billing, Radar and distillation/token fraud, it turns out that "the economic infrastructure for AI" implicates a lot. Pretty much every layer of the Stripe stack is changing, and it’s a very good time to join if you want to build high-scale software that facilitates the practical deployment of this new intelligence. MCP Related
Political scientist writing Drezner's World on international relations, American politics and the marketplace of ideas; author of The Ideas Industry.
Software entrepreneur who bootstrapped and sold FeedbackPanda and now builds Podscan; writes The Bootstrapped Founder.
This is incredibly good guidance. AI excels at distilling a long rant into meaningful points. It can extract, reduce complexity, increase clarity. It makes salient thoughts and ideas even sharper. It sucks when it just „generates“ because it approximates an average response. Quoting @hammer_mt AI writing is only allowed if your input tokens > your output tokens. "Write me an article on X" is slop, "here's an hour of my hard-won experience on X, write it up" is morally defensible and leads to good writing, even if AI wrote the final draft. Divide input tokens (initial idea plus guidance a… Related
Writer and academic, author of The Cult of Smart and How Elites Ate the Social Justice Movement; writes a daily newsletter on politics, education and culture.
Developer and podcaster; created Instapaper and Overcast, co-founded Tumblr, and co-hosts the Accidental Tech Podcast.
I opened up Apple Maps' search box and its new ads suggested I go to JetBlue Airways, the JetBlue terminal at JFK airport 39 miles away. I opened up Google Maps' search box, and 100% of the screen space is devoted to my presets (Home/Work/etc.) and my Recent searches. Apple continues to embarrass itself with its shitty ad plays. In the meantime, I'll keep using Google Maps, because it's just *better*, and — something I never thought I'd say — it respects me more as the user, with fewer ads. 🤯 Google Related
28 August
Founder of Platformer, a newsletter on tech platforms and the people they affect, and co-host of the Hard Fork podcast at the New York Times.
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
"iT woRKs BeTter in THe aPp!!" The monkey-punchers at Google never quite seem to finish any of their apps. There's always some useful bit of work left undone, or showstopping bug which remains unfixed, a thousand jagged edges as yet unsolved by the g…
Google Related
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
27 August
Co-founder and CEO of OpenAI; previously president of Y Combinator.
Their words
this is a critically important moment for cyber defense with AI; there is not much time to act.
Show the whole quote
@sama on X x.com
Professor of international affairs at Johns Hopkins SAIS and co-author, with Abraham Newman, of Underground Empire: How America Weaponized the World Economy.
Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.
After working closely with publishers (including @penguindrandom & @BloomsburyPub) and a dream team of leading authors, we're launching a Google-wide program bringing trusted sources (starting with books) to @Gemini_Notebook and more: Expert Intelligence. Google Related
Deep-learning researcher and Turing Award laureate; founder of the Mila institute.
I agree with this take by @BillGates, who also highlights several of the growing risks of AI systems, including cyber, bio and loss of control. We need to be far better prepared to address the risks of frontier models being developed by leading AI companies. gatesnotes.com
Related
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
From −94% gross margins to 0m of revenue per megawatt: how AI models learned to print money. Related
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Co-founder of Microsoft and of the Gates Foundation. Writes Gates Notes on global health, energy and climate, and on whatever they have been reading.
Short If the world takes the right steps, #AI will be a force for good and leave everyone better off. Related
26 August
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
On changing their mind
When I was instructing the agent, I was like, "Oh my God, Kimi's just as good as these other models."
Show the whole quote
Their words, before
Start with Opus. I'd say start with Opus. It's the best frontier model.
Show the whole quote
Their words now
But to answer your question, the best model in general right now is Fable. The second-best model, in my opinion, is Opus 5.
Show the whole quote
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
From one piece
DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501
4 beliefs, in the piece's order there
Linux
Their words
It is an infuriatingly locked-down computer. Now, to Apple's credit, it's a pretty good computer for being locked down, but I don't want a locked-down computer. I wanna own my computer. Better yet, I wanna mutate my computer, and this is where the agentic age needs a new operating system. When you can vibe code whatever app comes to your mind, you should be able to vibe code your operating system.
Show the whole quote
youtube.com
Their words
So the irony here is that when you look at that field, it seems like we've reached levels of intelligence that virtually no human can match because many of these security holes are about stringing combo moves together. You find one little vulnerability here that by itself might not be the worst thing in the world, but then you combine it with four others, and suddenly you have RCE, remote command execution. Humans who are able to do that are very rare.
Show the whole quote
youtube.com
LLMs
Their words
So we should also have the humility. As amazing as the LLMs are now, it could be that they eventually plateau. We haven't seen any evidence of it yet, and I think this is also why we're seeing this absolute gobsmacking levels of investment, because so far the scaling laws are true, and the more billions are poured in, the more intelligence comes out.
Show the whole quote
youtube.com
+ 1 more
Their words
The reason I say that is there's a lot of programmers who are not very good product managers. Software is product management. What should it do? Who should it do it for? How should it do it? How should it look? What are our priorities? What do we start with first? What does version one include? All of those skills are not easily or equally distributed across all programmers.
Show the whole quote
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Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
From one piece
Why performant code matters (but gets widely ignored), with Casey Muratori
3 beliefs, in the piece's order there
Their words
I've said like the licensable engine thing kind of was our AI transition already unfortunately and uh I regret to inform you that the news is not probably that positive.
Show the whole quote
youtube.com
Their words
it's more about what do you want to do? Like what why are you spending this time, right? It's a philosophical question, not a productivity question.
Show the whole quote
youtube.com
Their words
Then there's another possibility which is that it actually already has worked but just the productivity boost isn't as big as would be obvious if people got 10% more productive. That would still be pretty impressive because it's hard to get a 10% across the board uplift.
Show the whole quote
youtube.com
Writes Strange Loop Canon, on the intersection of technology, economics and business — "building models of the world to understand these problem areas and to define them better".
From one piece
Who Wins As Intelligence Commodifies?
2 beliefs, in the piece's order there
Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.
Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
One of the best recent podcasts on AI. Neil has a gift for explaining all of the jargon and insights simply. (I’m not involved, just found it unusually educational). Quoting @patrick_oshag Neil Movva (@neilmovva) started his career at Nvidia, working on GPUs and kernels, and has an unusually deep understanding of inference, from software to chips to power. We spend a lot of time on each of those layers, how they connect, and where the important tradeoffs are. What makes this conversa… Related
Professor of psychology at the University of Toronto and Brooks and Suzanne Ragen Professor Emeritus at Yale. Author of Against Empathy, The Sweet Spot and Psych, and writer of the Small Potatoes newsletter.
I've been trying to figure out what I (and so many others) dislike about AI writing. It's very clear. It's good at getting the level right, not going over the reader's head but not talking down. Often it's clever, and sometimes even funny. (At least Claude is) ... Anthropic Related
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Short You could have become an AI grifter Related
Co-founder and CEO of Linear; previously principal designer at Airbnb, where he led the Design Language System, and founding designer at Coinbase.
We started @linear 7 years ago to build better tools for everyone who makes software. Today, Linear is the primary choice for a new generation of AI-native companies, frontier labs like OpenAI, and increasingly large enterprises, including Salesforce and Figma. I’m proud we’ve been able to grow while maintaining the quality bar, doing things our way and staying profitable for most of that journey Quoting @linear Today we're announcing our second employee tender offer. We passed $100m ARR earlier this year and now have more than 40,000 paying customers. The tender lets our teammates participate in that success at a $2.5B valuation: OpenAI Related
Full-stack developer, creator of Tailwind CSS; writes at adamwathan.me and makes courses and screencasts for web developers.
.@AmpCode is consistently 3-4 months ahead of every other harness in terms of discovering and optimizing the next workflow leap, feels like their only disadvantage is not being a model company and not being able to subsidize tokens. Insane to me that a model company hasn’t scooped them, would be a huge advantage now that most of the frontier models are equally capable. Related
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
25 August
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
Krakowski, Claude, and *Modern Times* Many readers wanted to know how Ariel Krakowski ran his AI proofread of Modern Times, so he’s written a guest post to answer your questions. Here’s Ariel: Outside of the tech world, many people are unfamiliar with how a…
Anthropic Related
Writes on effective altruism, energy and the arithmetic behind arguments people repeat — including how much electricity a chatbot query actually uses.
Writes Where's Your Ed At and hosts Better Offline; runs a tech PR firm, and argues at length that the AI business does not add up.
The AI Hater's Manifesto If you liked this piece, you should subscribe to my premium newsletter. It’s $70 a year, $18 a quarter, or $7 a month, and in return you get a weekly newsletter that’s usually anywhere from 10,000 to 18,000 words, inclu…
Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
Got it
About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
Got it
Further back ↓