In detail
- Order dated June 12; both models had launched June 9
- Anthropic says it is complying with the legal directive and is removing access to Fable 5 and Mythos 5 for all users
- Reports cite researchers finding methods to get Fable 5 to provide information potentially usable for cyberattacks
Why it matters
The move demonstrates the US government can directly influence who may use frontier models, affecting availability and legal risk for international customers and partners.
For you Assess dependencies on US‑hosted frontier models and prepare fallback options (alternative providers, on‑prem or EU‑hosted models) in case access is suddenly restricted.