Anthropic's newly released Fable 5 model is offline after a dramatic government intervention. According to Axios, Amazon alerted the White House Thursday night to a reported jailbreak vulnerability in Fable's underlying Mythos model—one that could expose national security risks. The administration spent Friday trying to persuade Anthropic to pull the model voluntarily. When the company refused, the White House issued export control orders Friday evening, immediately restricting access. The situation raises a key question: Amazon is a major investor in Anthropic. Why would it trigger this public takedown? Security researchers argue the vulnerability was relatively simple, not unique to Fable, and exactly the kind of issue AI models should be designed to handle. But the real story may be broader: frontier AI models at Mythos level will now require government clearance before deployment—a de-facto licensing regime. As AI capabilities accelerate, regulation remains reactive, and the balance of power between industry and Washington is shifting.

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