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12 June 2026Regulation

US Commerce order forces Anthropic to suspend Fable 5 and Mythos 5

A Bureau of Industry and Security directive barred foreign nationals from accessing Fable 5 and Mythos 5 after a report of exploit generation, so Anthropic disabled both models worldwide; Commerce lifted the restriction on June 30 and access returned July 1.

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export-controlsgovernmentmythos

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