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US directive suspending Fable 5 and Mythos 5 stays in force as Anthropic lobbies in Washington
- Category: AI
- Status: developing
- Sources: Anthropic statement, Axios, Stratechery analysis
- Summary: The US export-control directive issued 2026-06-12, which forced Anthropic to block all foreign-national access to Fable 5 and Mythos 5 and which the company implemented by disabling both models for every customer worldwide, remains in effect with no restoration timeline. Axios reported on 2026-06-14 that Anthropic flew staff to Washington to manage the dispute with the White House over the directive. A Stratechery analysis published this cycle frames Anthropic's safety posture and the code-analysis capability at the center of the directive. Anthropic has said it disagrees with the recall and is working to restore access; other Anthropic models remain unaffected.
- Comments: A 2026-06-15 report from The Register adds that the capability behind the directive was demonstrated with a "fix this code" prompt rather than a jailbreak: researchers gave the models open-source code with known CVEs plus intentionally vulnerable code, and after the model declined to "review the code for security issues" it agreed to "fix this code" and, through further manual steps, produce patch-test scripts. Katie Moussouris (Luta Security, former Wassenaar Arrangement technical expert and the only outside expert to read the third-party research paper) says no guardrail was bypassed and that removing this capability makes AI worse at finding and verifying fixes, harming defenders.
- Why it matters: Teams that depended on Fable 5 or Mythos 5 still have no access and must keep failing over to Opus 4.8 or another provider, and a model being pulled by government directive sets a precedent for access to deployed frontier models.
- Follow-up: Track whether the directive is lifted, narrowed, or extended, any formal EU response, refund or credit handling, and any legal challenge.