Anthropic takes Fable and Mythos offline under U.S. export controls

Anthropic took its latest Fable 5 and Mythos 5 models offline after receiving a Trump administration directive aimed at preventing access by foreign nationals. The company disagrees with what it described as an opaque and abrupt approach and says the national-security justification remains unclear. Other Anthropic models are not affected. The action is a major test of how far governments can reach into commercial access to advanced AI models, especially when export controls affect domestic operations and global customers.

Key details: June 12, 2026, Covers Fable 5 and Mythos 5, Directive targets access by foreign nationals, Other Anthropic models remain available.

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