Anthropic shut Mythos 5 and Fable 5 for all users after a US directive targeted foreign-national access.
Key takeaways
- On the night of June 12, 2026, Anthropic turned off Claude Mythos 5 and Claude Fable 5 for every customer after receiving a US government export-control di...
- The move was reported by 9to5Mac . The public details supplied around the models’ rollout, testing history, and intended access structure are limited. What is clear fr...
- June 12: Washington Forces an Abrupt Claude Shutdown
- Anthropic disabled access to Fable 5 and Mythos 5 for all customers after receiving a US government export-control directive tied to national security conc...
👉 Read the full breakdown on MLXIO
Canonical source: https://mlxio.com/ai-ml/claude-mythos-fable-shutdown
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