This Saturday morning, Anthropic has globally suspended its two most powerful AI models, Claude Fable 5 and Claude Mythos 5. Both Reuters and the BBC confirm this action follows a US government directive citing national security concerns.

The government order initially aimed to restrict access for foreign nationals, but Anthropic stated it was impossible to filter users by nationality in real-time, leading to a full worldwide shutdown. NewsBytes and ThePrint highlight that this marks the first