Anthropic Shuts Down Mythos Access After Sweeping US Order (3)

Anthropic PBC has disabled access to its most advanced artificial intelligence models, including Mythos, following an unprecedented order by the Trump administration to keep the technology out of the hands of all foreign nationals.

The US government told Anthropic to suspend access to the Fable 5 and Mythos 5 models by any foreign national “whether inside or outside the United States,” citing national security concerns, the company said in a statement. A US official confirmed the Commerce Department sent the letter. The model developer has since shut off access to both systems to all customers to ensure compliance.

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