US Government Suspends Anthropic’s Claude Fable 5 and Mythos 5 Over Security and Jailbreak Concerns

Anthropic has paused access to Claude Fable 5 and Claude Mythos 5 for all users following a directive from the US government to restrict access for foreign nationals. The company explained that the order requires them to disable both models completely to stay compliant. What Triggered the Suspension of Fable 5 and Mythos 5, and What It Means for Users Anthropic stated that US national security authorities have not publicly identified specific concerns.