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Anthropic: US has lifted export controls on Fable and Mythos AI models after security risk fears

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Source: The Guardian TechnologyJune 30, 2026

Summary

The US lifted export controls on Anthropic's Fable and Mythos AI models (advanced language models developed by the company) after the company agreed to detect security risks, work with the government on safety standards, and report any malicious activity. The controls had been imposed weeks earlier due to national security concerns that these powerful AI systems could be misused by foreign militaries or intelligence agencies.

Solution / Mitigation

Anthropic agreed to proactively detect and address security risks associated with the models; to work diligently with the US government on protocols and standards for releases; and to inform the US government of any malicious activity. The US government also established a vetting process to control which organizations can access the models, limiting initial access to 'trusted' US organizations.