Anthropic Fable 5 launched just three days before being forced offline by the U.S. government: First instance of AI export controls, White House in urgent scramble within 24 hours

On June 9, Anthropic launched Fable 5 and Mythos 5, but by June 12, the U.S. government invoked export control powers citing national security, prohibiting all foreign nationals from using the model. After a 90-minute ultimatum, Anthropic was compelled to disable it entirely. Amazon reported to the White House the risks that the model's safety barriers could be circumvented. Anthropic CEO Dario Amodei had multiple urgent calls with Treasury Secretary Bessent and White House Cyber Director Cairncross, ultimately failing to prevent the enforcement of these controls.

Why it matters: This is the first instance of the U.S. government using export controls on an advanced AI model that has already been deployed, marking a shift from voluntary corporate oversight to a national security-focused administrative enforcement. Anthropic, a company that has been a vocal advocate for regulation, has ironically become the first target of such stringent measures, which will fundamentally alter the logic behind releasing cutting-edge models.

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