The jailbreak was easy, an independent researcher says. But she and other cyber experts say defenders need Fable and ask that the export ban be lifted.

The U.S. government ordered Anthropic to pull Fable 5 and Mythos 5 over national security concerns just days after its CEO called for exactly this kind of oversight.

Anthropic's latest AI models, Fable 5 and Mythos 5, will be disabled due to US export controls that cited national security risks.