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US Government Orders Anthropic to Pull Claude Fable, Mythos AI Models

The US government issued an emergency export control directive on June 13, ordering Anthropic to suspend access to its Claude Fable 5 and Mythos 5 models over a potential jailbreak vulnerability. Anthropic complied but disputed the finding, calling the vulnerability simple and replicable with other models like GPT-5.5, and warned the order sets a dangerous precedent.

Jun 13, 7:23 PM
US Government Orders Anthropic to Pull Claude Fable, Mythos AI Models — AIBriefs