Anthropic restores AI models Fable, Mythos after the U.S. lifts export controls
Anthropic has resumed access to its Claude Fable 5 and Mythos 5 AI models following a temporary suspension caused by U.S. export control compliance. The company is now working with government agencies and other tech firms to establish security standards and jailbreak detection frameworks.
Why it matters
This highlights the growing intersection of national security, export controls, and the rapid development of frontier AI models.
The controls on Claude Fable 5 and Claude Mythos 5 were removed on June 30, the company said. Fable 5 returns globally on July 1 across Anthropic's platforms, while Mythos 5, which shares the same underlying model but carries fewer safety restrictions, is being restored to a set of U.S. organizations after government approval on June 26.
The article reports on corporate and regulatory actions without taking a political stance.
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