Anthropic Blocks Fable 5 and Mythos 5 Following U.S. National Security Directive

Anthropic has disabled all access to its Fable 5 and Mythos 5 artificial intelligence models following a sudden export-control directive from the United States government. Issued at 5:21 PM ET on June 13, 2026, the directive cited pressing national security concerns and strictly prohibited any foreign national from accessing the models. This restriction extends beyond […]

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