Anthropic · Broadcom · Pentagon · Alibaba · OpenAI · Claude · Center for AI Safety
AISN #76: Fable 5 Restrictions Lifted & OpenAI Limits GPT-5.6 Release
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Welcome to the AI Safety Newsletter by the Center for AI Safety.
Key facts
- On June 30, Anthropic announced that the US government had lifted its restrictions on Fable 5, and the model was redeployed to users globally on July 1
- In AI Frontiers, Afek Shamir analyzes the implications for Europe of the US government’s recent restrictions on Fable 5 and Mythos 5
- Pew Research Center published the results of its 2026 study on Americans and AI, finding that 63% of respondents think AI is “advancing too quickly
- OpenAI is reportedly considering delaying its IPO to 2027, aiming for a valuation above $1 trillion
Summary
In this edition, they look at the re-release of Anthropic’s latest model, Fable 5, the US government’s decision to restrict access to OpenAI’s GPT-5.6, and two benchmarks that suggest AI capabilities have been improving exponentially in recent months. Listen to the AI Safety Newsletter for free on Spotify or Apple Podcasts. On June 30, Anthropic announced that the US government had lifted its restrictions on Fable 5, and the model was redeployed to users globally on July 1. The US government restricted Fable 5 shortly after its release in early June. On June 9, Anthropic released Fable 5 to the public, alongside their continued private deployment of Claude Mythos, the version of the model without safeguards, for trusted organizations.