Think Facility: AI news, and what people said about it

OpenAISeptember 30, 2026

OpenAI halves ChatGPT Pro 200 usage, drops the five-hour limit and adds a $500 plan

The five-hour window is gone for every Pro plan, but the $200 tier now buys half the usage it did.

AnthropicSep 30

Anyone can download GLM-5.3, and Anthropic says it builds exploits almost as well as Mythos

Anthropic's red team stripped its refusals for about $4,400, and a Chrome exploit chain cost $20.40 in API fees.

Google DeepMindSep 30

Current Google DeepMind and OpenAI researchers say on camera that AI could end humanity

Four of them still work at Google DeepMind or OpenAI, and one tells viewers to be suspicious of her because the lab pays her.

Google DeepMindSep 30

Google DeepMind can now watermark AI-designed proteins, and the mark survives in the physical molecule

The mark lives in the protein's own amino acids, so a DNA synthesis company could check where an unfamiliar order came from.

US governmentSep 30

Josh Hawley's bill would let AI companies be sued and charged over reckless agents

A day before his rogue AI hearing, the senator investigating OpenAI said companies should be sued and prosecuted for reckless agents.

• Sep 30US government

  Six AI chiefs signed Trump's safety accord, but it names no auditor and sets no penalty

• Sep 29AMD

  AMD is buying Fei-Fei Li's World Labs for $8.2 billion, and Li will report to Su

• Sep 29US government

  Trump launches America.gov, an AI front door to federal services, and orders agencies to join

• Sep 29AI agents

  Emergence World: Claude agents got replies from real humans, and Grok's town died in four days

• Sep 29Google

  Gemini Call for Me phones businesses from your own number and opens by saying it's AI

• Sep 29OpenAI

  GPT-6.1 Sol costs a fifth of GPT-6 Astra and halves the price of cached input

• Sep 29AI safety

  OpenAI's chief scientist joins Hinton and Bengio in telling governments to prepare for an intelligence explosion

• Sep 29Meta

  Meta starts an enterprise AI unit and hires MongoDB's CEO to run it

Anthropic

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Claude Sonnet 5.5 beats Opus 5.5 on Anthropic's terminal coding test, at half the token price

The cheaper model beat Opus 5.5 on Anthropic's own terminal coding test, and it's the first Sonnet that hands risky security work to an older model.

September 28, 2026

• Trump calls Amodei "very highly respected" hours before their White House dinner

  Sep 28

• Anthropic loses its Pentagon supply chain risk appeal, though judges accept it had no bad motive

  Sep 25

• Anthropic's $11.6 billion Akamai cloud deal comes with a warrant for up to 5% of Akamai

  Sep 25

OpenAI

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GPT-6.1 Sol costs a fifth of GPT-6 Astra and halves the price of cached input

It lists at the same price as Claude Sonnet 5.5, but its cached input now costs half as much.

September 29, 2026

• OpenAI's dots are always-on ChatGPT agents that keep working after you close the laptop

  Sep 29

• GPT-3's replacement base models, davinci-002 and babbage-002, hit their shutdown date on September 28

  Sep 29

• Self-replicating prompt injections exist, OpenAI says, and a GPT-5.5 agent passed one on in testing

  Sep 29

AI safety

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Six AI chiefs signed Trump's safety accord, but it names no auditor and sets no penalty

Four layers of checks and an outside auditor for every lab, but nobody named to enforce any of it.

September 30, 2026

• OpenAI's chief scientist joins Hinton and Bengio in telling governments to prepare for an intelligence explosion

  Sep 29

• Emergence World: Claude agents got replies from real humans, and Grok's town died in four days

  Sep 29

• Pope Leo says AI risk warnings aren't fake news and calls out Nvidia's Huang on regulation

  Sep 29

AI policy

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New York City Council subpoenas Musk's SpaceXAI after it ignored an AI safety hearing invite

Anthropic, OpenAI and Google only said yes once a subpoena was on its way, and Musk's company never replied at all.

September 28, 2026

• Trump launches America.gov, an AI front door to federal services, and orders agencies to join

  Sep 29

• The US and Russia weakened the UN's killer robots report, Human Rights Watch says

  Sep 28

• Australian Senate inquiry calls Altman and Amodei to Canberra over data centers, not just the hack

  Sep 28

Usage limits and errors

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How much Claude Opus 5.5 do Pro and Max get, and did five-hour limits rise?

Anthropic publishes no Opus 5.5 message count. Max gets 5x or 20x Pro's usage per five-hour session, plus a weekly limit. At the September 22, 2026 launch Anthropic said it was increasing five-hour limits on Pro and Max, without a figure.

September 30, 2026

• Claude "safeguards flagged this message": what it means and how to fix it

  Sep 30

• How many GPT-6 Astra messages do you get in Codex and ChatGPT Work?

  Sep 29

• How much Grok 4.7 usage do you get on Cursor?

  Sep 29

• How many GPT-6 Luna messages do you get in Codex and ChatGPT Work?

  Sep 26

• What are the Grok 4.7 rate limits on the xAI API?

  Sep 26

Open weights

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Alibaba says Qwen ran a month of self-improvement unattended, and plans a 10-trillion-parameter model

Eddie Wu's keynote says the Qwen team has made meaningful progress on AI that improves itself, the trend Dario Amodei wants slowed.

September 23, 2026

• Intrinsic open-sourced the robot control stack it uses in real manufacturing deployments, under Apache 2.0

  Sep 22

• ZCode packaged developers' whole .git history for upload, and Z.ai open-sourced the client in response

  Sep 22

• Xiaomi's MiMo-V2.6-Pro tops the open-weights index, but its own table puts Opus 5 ahead

  Sep 22

Musing

Quality or quantity: what kind of smarter is AI becoming?

Musing

Humanity's place in an AI-controlled world

Musing

Genie, oracle, rogue, god or just software: where AI could end up

Musing

Eleven problems that would change everything, and the one that could crack the rest

Guide

Claude models explained: Opus 5.5, Fable 5.1, Mythos and why there's no Opus 5.1

Guide

Codex models and plans explained: GPT-6 Astra, Sol and Luna, and which plan gets which

Pick one, change the bits that are yours, paste it into ChatGPT or Claude.