EventPolicyJune 15, 2026
US orders Anthropic to restrict Fable 5 and Mythos 5 models

On June 12, the US government ordered Anthropic to block foreign access to its Fable 5 and Mythos 5 models, citing potential cyberattack risks. Anthropic complied by shutting down access for all users, stating they disagree with the decision but are following the legal directive.
4 sources
Anthropic Says It Has Taken Its Latest AI Models Offline to Comply With New Export Controlssecurityweek.com
US Government Orders Anthropic to Pull Claude Fable, Mythos AI Modelsdecrypt.co
All the news about Anthropic’s new AI fight with the White Housetheverge.com
David Sacks explains the sequence of events leading to Fable 5's banningreddit.com