Covered Frontier Model

Mythos 5 Partial Reinstatement Creates Government-Controlled AI Access Tiers With No Transparent Process

The US government on June 27 granted roughly 100 approved companies access to Claude Mythos 5. Partially reversing a June 12 export control suspension, while Fable 5. Organizations outside the approved list remain locked out with no published selection criteria or recourse. The action is the first commercial enforcement under a new executive order framework requiring government pre-release review. Of frontier models. , making tiered access structural rather than ad hoc.