Anthropic Takes Mythos, Fable Offline Amid Trump Clash
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- Anthropic took its Mythos and Fable models offline Friday night after the Trump administration imposed stringent export controls, the culmination of a week-long standoff.
- Amazon CEO Andy Jassy triggered the latest round by calling Treasury Secretary Scott Bessent on Thursday to warn that Mythos and Fable could be jailbroken; an administration official said Anthropic "knew a jailbreak could happen and chose to distribute it anyway."
- Administration officials accused Anthropic of failing to honor a recent cyber executive order, with one telling Axios "they came to every fork in the road and took the wrong fork"; Anthropic counters that it received explicit government approval to deploy Fable.
- The breakdown mirrors an earlier Pentagon–Anthropic fight that the source also traces to personality and communication clashes rather than policy substance.
- The administration first threatened export controls weeks earlier after Mythos was made available to an entity with direct ties to the Chinese Communist Party; a source close to Anthropic says the company revoked access voluntarily, without export-control pressure.
- Commerce Department meetings are scheduled Monday with Anthropic staffers Logan Graham, Dave Orr, and Nicholas Carlini, with follow-ups set involving the CIA and White House science advisor Michael Kratsios.
- Anthropic itself concedes perfect jailbreak resistance may be impossible, leaving the standoff's long-term resolution to hinge on what one source called an "attitude fix" rather than a technical one.
Why it matters: Anthropic's most powerful models are now entirely offline, cutting off customer access to Mythos and Fable just as the source says the government is 'struggling to catch up' with rapidly advancing AI. With Anthropic itself acknowledging jailbreak-proofing may be impossible, the administration's leverage reduces to compliance with its cyber executive order and a behavioral fix before Monday's Commerce meeting.
