Fable turned my remarkable into Tom Riddle's diary from Harry Potter. My prompts fade, a LLM respond. Magical!↗

I spent a LOT of time through the hardest 3D prompts at Fable, it is a 45 min video, but I have 60+ very cool demos for you. Also prompts in the next post. youtube.com/watch?v=rTc2_-…↗

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Everyone's always talking about agentic coding harnesses: Claude Code, Codex, OpenCode, Pi... the list goes on. But what's the difference between all of them? What even Is a harness anyway? In this thread, we'll take a look under the hood. (1/5)🧵↗

More details about using your ChatGPT subscription in @ssh_exe_dev: blog.exe.dev/chatgpt-subscr…↗

If you use Codex, is there any reason you still use ChatGPT? what do you use it for? how has it been better or critical for you?↗

A Field Guide to Fable: Finding Your Unknowns Working with Claude Fable 5 keeps re-teaching me an old lesson: the map is not the territory. The map, a representation of the work to be done, is my prompts and skills and context, it’s what I give Claude. The territory is where th…↗

Today @Madisonkanna and I talked with @dexhorthy about software factories, fighting slop, and why 3 AM incidents are essential for building intuition. An overview: 0:06 Conversations and themes at this year's conference 1:14 What is a software factory? 2:39 X vs. Twitter 2:56 Fa…↗

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Pi's Edit Tool Thread on pi's edit tool since that came up in discussions at @aiDotEngineer, in part in relation to some people seeing edit failures even on SOTA anthropic models. pi's edit tool is intentionally boring and it is not modeled after one provider's preferred edit o…↗

This is by far one of the most important things I’ve watched in 2026.↗

A conversation with Boris Cherny and Cat Wu on the path from Claude Code to Claude Tag, and how it spread from engineering to the rest of Anthropic. Claude Fable 5 is now available in Claude Tag.↗

"Is chat the final form of UX for AI?" In the latest episode of the Small Talk podcast, @mschoening and I did a deeeeeep dive: youtu.be/3jWnr8EyMX0 > what does "chat" mean? > when is chat optimal? > chat++: artifacts, mini-apps > what's the next form factor?↗

Featuring the man of the moment @dylan522p @shaunmmaguire in today's Training Data episode. Nobody is a more trusted industry insider to the biggest infrastructure build-out in history. The story of how Dylan became @SemiAnalysis_ is even more awe inspiring: a young motel kid,…↗

Founders step on every rake in the garden trying to figure out the Valley. I know, because my forehead is full of rake marks. I decided to interview some of the best investors about where the rakes are hidden in a new series called First Principles, starting with @saranormous.↗

Claude Fable 5 will be available again globally tomorrow. After a series of productive conversations with the US government, we're redeploying the model with a new set of classifiers to target and block more cybersecurity tasks. In the near term, some routine tasks like coding a…↗

We’re introducing GeneBench-Pro, a research-level benchmark for a harder kind of AI progress: how well agents can navigate messy biological data, choose the right analysis path, and make judgment calls that real computational research depends on. openai.com/index/introduc…↗

Just recorded my AIE SF talk remotely, and I'm sad that I won't get to have a corridor Q&A. My talk's called "The Missing Manual: How To Write Great Skills" So, AMA. What do you want to know about writing better skills?↗

Your AI's Memory Is Quietly Making It Dumber (I Cut Mine to 6 Files) I gave a talk last week and said it out loud: delete that memory, agent. When your agent learns a lesson, do not park it in some private memory file. Make a pull request that improves the skill, so the fix help…↗

episode 0 of the next token. listen to rhys, sunil, and and i yap about ai and software engineering↗

What’s your favorite science fiction book? On a big sci fi kick right now↗

Andrew Ambrosino (@ajambrosino) leads the team behind the Codex desktop app at @OpenAI. Codex usage has 6x'd since February, reaching over 5M weekly active users, and nearly 100% of OpenAI's employees use the Codex app regularly (and not just the engineers). Andrew's personal mi…↗

an improving design loop vercel.com/blog/teaching-…↗

New from Stripe Economics: The Age of the Solopreneur stripeeconomics.com/p/the-age-of-t…↗

Introducing a limited preview of GPT-5.6 Sol, our next generation frontier model, as well as GPT-5.6 Terra, a balanced model for efficient, everyday work, and GPT-5.6 Luna, a fast and affordable model for high-volume work. openai.com/index/previewi…↗

I'm now running GLM 5.2 as my default model in claude code + cursor, and it's cost me *checks notes* $3.36 Today's ep of How I AI is my first reviewing an open weights model, @Zai_org's GLM 5.2 which (so far) is giving me Opus vibes without the opus $$$ I cover - how to set up…↗

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Ok so this Teenage Engineering microphone has quickly become my favourite way to talk to Claude, especially in loud offices. Love how tactile it is, and I feel like a radio operator talking to my agents 😂↗

Some more thoughts on looping in coding agents. lucumr.pocoo.org/2026/6/23/the-…↗

Every year around my birthday I publish an updated "reflections"-ish piece. This one is two and a half months late, but my thoughts on optionality, depreciating utility of money, tech sales, intuition, and more. youngmoney.co/p/29-loaded↗