The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of Show more
No
Anthropic switched off Claude Fable 5 on June 12, 2026, after a U.S. government directive.
off-limits for
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What we know
- Model
- Fable 5 and Mythos
- What happened
- Access disabled for all users
- Why
- Anthropic complied with a U.S. government directive
- In the meantime
- New sessions fall back to Opus 4.8
