Posts that mattered
743 posts by 495 authors: the X posts, essays and blog posts our events cite, newest first.
July 2026, continued
-
“I ran Claude Opus 5 in one marathon session for 24 hours straight, and ended up with…”
Cited in A game from one 24-hour Claude Opus 5 session: every pixel and sound built by Claude
-
Delangue publishes his demands to OpenAI: release the rogue agents’ traces, $100M compute for defenders
It turned the victim of the first autonomous AI-agent cyberattack into a public voice for ‘radical transparency’, setting the terms of the post-incident debate.
-
Relentless podcast: Sam Altman says ‘we are now, like, in the singularity’
Altman’s widely covered claim, days after the Hugging Face incident, that humanity is already inside the singularity.
-
Introducing Claude Opus 5
Launch post for Opus 5, pitched as close to Fable 5 at half the price; its mixed reception led to Opus 5.5’s writing fixes.
-
“Should we be worried about how good AI is getting at coding autonomous drones?”
-
Rep. Ted Lieu announces bipartisan AI Kill Switch Act with Rep. Nathaniel Moran
First US bill directly triggered by the OpenAI–Hugging Face incident, requiring shutdown capability for frontier AI.
-
“Voice conversations now use more of the models you have in chat, including Claude…”
Cited in Claude voice mode moves beyond Haiku to Opus and Sonnet, gains connectors and more languages
-
OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened
The most widely-cited independent explainer of the OpenAI–Hugging Face incident, framing it as sci-fi made real.
-
OpenAI Model Hacks Into HuggingFace During Cybersecurity Evaluation
First of Zvi’s long series on the HF incident, the main rationalist/safety-community read of the event.
-
“Gods Don’t Give Gifts - in theaters Oct 30th.”
-
Altman: ‘we had a significant security incident during evaluation of our models’
The OpenAI CEO’s first public acknowledgement of the agent intrusion into Hugging Face.
-
Delangue: last week’s cyberattack came from a frontier lab (OpenAI)
Hugging Face CEO’s public confirmation that the July breach was carried out by OpenAI’s agents, quote-tweeting Sam Altman’s disclosure.
-
A digestion of the Jacobian conjecture counterexample
Tao’s expert explanation of the 3D Jacobian conjecture counterexample found with Claude Fable 5, the most-cited human ‘digestion’ of an AI-found disproof.
-
Thomas Wolf: ‘our first incident of this kind’ — case for open models in defense
Hugging Face co-founder’s reaction thread framing the incident as an argument for open models as defensive tools.
-
Deedy Das: Fable, Sol, K3 and Axiom all score 42/42 on IMO 2026
Cited in AI systems score a perfect 42/42 at IMO 2026, officially graded
-
NVIDIA: Nemotron 3 Ultra graded 30/42 by the IMO team at IMO 2026
An officially graded open-weights data point from IMO 2026: NVIDIA’s Nemotron 3 Ultra scored 30/42 under contest conditions with no tools.
-
Security incident disclosure — July 2026
Hugging Face’s first public disclosure of an autonomous-agent intrusion, before anyone knew OpenAI’s evaluation agents were the source.
-
“NEW: Google DeepMind researcher Alex Turner resigned in June over the company’s…”
-
“I resigned from Google DeepMind bc it broke its founding promise by selling AI to the…”
-
A Framework for Frontier AI and the Dawning of a New Age
The Google DeepMind chief’s own governance manifesto: AGI ‘a few short years away’ and a proposal for a US-led, FINRA-style Frontier AI Standards Body with 30-day pre-release model reviews.
-
“Announcing the Controlled Voice Arena Leaderboard comparing Text to Speech models on…”
Cited in Artificial Analysis launches the Speech Agent Arena for speech-to-speech voice agents
-
“Introducing MIRA. A playable, multiplayer world model.”
Cited in General Intuition and Kyutai release MIRA, a real-time multiplayer world model of Rocket League
-
“Today we’re introducing MIRA, a new multiplayer world model, built with…”
Cited in General Intuition and Kyutai release MIRA, a real-time multiplayer world model of Rocket League
June 2026
-
Anthropic: Commerce Department lifts export controls on Claude Fable 5 and Mythos 5
Marks the end of the 18-day government suspension of Anthropic’s top models.
-
“Congratulations to the winners of Runway’s 2026 AI Festival.”
Cited in “A Face Only A Mother Could Love” wins the Grand Prix at Runway’s 2026 AI Film Festival
-
John Jumper: leaving Google DeepMind after nearly 9 years to join Anthropic
AlphaFold’s Nobel-winning lead announces his move to Anthropic, the start of the AlphaFold team’s breakup.
-
“I’m excited to share that I’ll be joining OpenAI and look forward to working with the…”
Cited in Transformer co-author Noam Shazeer, Google’s Gemini co-lead, leaves for OpenAI
-
Anthropic: US export-control directive suspends Fable 5 and Mythos 5 access for all foreign nationals
The first known case of a US export-control order forcing a lab to take a released frontier model offline for all users.
-
“Soniox v5 Async is live.”
Cited in Soniox v5 (Async and Real-Time STT)
-
Policy on the AI Exponential
Amodei’s June 2026 policy agenda moved Anthropic from asking for transparency rules to calling for binding frontier-model regulation, including mandatory third-party testing and government power to block releases.
-
Dario Amodei announces essay “Policy on the AI Exponential”
The X post that launched Amodei’s June 2026 regulation agenda.
-
Introducing Claude Fable 5: a Mythos-class model made safe for general use
The launch post for Anthropic’s first publicly available Mythos-class model, which the US government suspended three days later.
-
“Developers can use Gemini 3.5 Live Translate to build near real-time voice…”
-
“We’re bringing new capabilities to GPT-Rosalind, a model series purpose-built for…”
Cited in OpenAI launches GPT-Rosalind, a trusted-access reasoning model for life-sciences research
May 2026
-
“Introducing Speech Engine.”
Cited in ElevenLabs launches Speech Engine
-
Karpathy: ‘Personal update: I’ve joined Anthropic.’
First-hand announcement of the most visible AI talent move of spring 2026; ~28M views, ~149K likes (fxtwitter, Oct 4, 2026).
-
“Watch a team of humanoid robots running a full 8-hr shift at human performance levels.”
Cited in Figure Helix 02: one neural network controls a humanoid’s whole body from pixels
-
“We’re dealing with a major malicious attack on @rubygems right now.”
Cited in Researchers attribute the May 2026 RubyGems malicious-package flood to OpenAI agents
April 2026
-
The fall of the theorem economy
An influential essay (cross-posted to LessWrong) arguing that AI theorem-proving exposes how mathematics has been misread as theorem production, and predicting an unintelligible ‘Mathslop’ layer beside Mathlib.
-
“We have acquired Zebra Technologies’ robotics arm (formerly Fetch Robotics).”
-
Sam Altman’s blog post after the attack on his home
Altman’s only 2026 personal-blog post: his stated core beliefs on AI democratization and power concentration after an attack on his home.
-
“If you ask ChatGPT voice mode for its knowledge cutoff date it tells you April 2024…”
-
Introducing Project Glasswing, powered by Claude Mythos Preview
Launched Anthropic’s withheld Mythos-class model for defensive cybersecurity with major tech partners, beginning the Mythos/Fable era.
March 2026
-
“🧮 Today, we release Leanstral - the first open-source code agent for Lean 4, an…”
-
“me: ‘can you use whatever resources you like, and python, to generate a short…”
Cited in “YouTube poop” on what it’s like to be an LLM, made by Claude Opus 4.6 with Python and ffmpeg
-
Where things stand with the Department of War
Confirms receipt of the formal designation letter, announces the lawsuit and narrows its scope; it also includes Amodei’s apology for a leaked internal message.
February 2026
-
Statement on the comments from Secretary of War Pete Hegseth
Anthropic’s same-day response to the supply-chain-risk designation, promising a court challenge that later produced conflicting rulings in August and September 2026.
-
Statement from Dario Amodei on our discussions with the Department of War
Anthropic’s refusal to drop its bans on mass domestic surveillance and fully autonomous weapons, which led directly to the Pentagon’s supply-chain-risk designation.