The Trump administration on June 12, 2026 directed Anthropic to immediately suspend access to its frontier models "Claude Fable 5" and "Claude Mythos 5", citing export controls and national security, and the company complied by disabling both models for all users at home and abroad. The impact is limited to those two models and does not extend to other Claude offerings such as the general-purpose Opus series. (1, 2)
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