US Government Forces Anthropic to Pull Claude Fable Days After Launch

Anthropic suspended access to its newly launched Claude Fable 5 (and Mythos 5) after receiving a US government export-control directive alleging a method to jailbreak the model; the company says the issue appears to be a narrow, previously known set of minor vulnerabilities rather than a universal bypass, while affected customers face interrupted work and refund disputes and the incident fuels debate over AI oversight.