US Government Orders Anthropic to Disable Fable AI Models
Original: There is a shadow hanging over this Fable thing
Why This Matters
First major government intervention directly blocking AI model access raises precedent concerns
The US government issued an export control directive requiring Anthropic to suspend access to Fable 5 and Mythos 5 AI models for all foreign nationals globally, citing national security concerns over potential jailbreaking vulnerabilities.
Anthropic received a government directive at 5:21pm ET ordering immediate suspension of Fable 5 and Mythos 5 access to any foreign national worldwide, including those in the US and Anthropic employees. The order cited national security authorities but provided no specific details. Anthropic believes the directive stems from discovery of a jailbreaking method that identifies minor vulnerabilities also discoverable by other publicly available models like OpenAI's GPT-5.5. The company stated these capabilities are widely available and used daily by security defenders. Anthropic is complying with the legal directive but disagrees that narrow jailbreak potential justifies recalling models deployed to hundreds of millions of users. All other Anthropic models remain unaffected.