Anthropic says it has taken its latest AI models offline to comply with new export controls
Anthropic has taken its latest AI models, Fable 5 and Mythos 5, offline to comply with a Trump administration directive restricting their use by foreign nationals, calling the move a misunderstanding. The Commerce Department did not comment, while Anthropic criticized the lack of transparency in the government’s process for blocking AI deployments.
Anthropic announced Friday it has temporarily removed its latest AI models, Fable 5 and Mythos 5, from public access to comply with new U.S. export controls issued by the Trump administration. The directive restricts foreign nationals from using these advanced models, marking the government’s most significant effort to date to limit access to cutting-edge AI technology. Anthropic had released Fable 5 widely earlier in the week, while Mythos 5 remains tightly restricted due to cybersecurity concerns. The company expressed disagreement with the government’s approach, stating it received the directive without clear details on national security risks. Anthropic argued that blocking unsafe AI deployments should follow a transparent, fair, and technically grounded process. The company called the sudden action a ‘misunderstanding’ and hopes to restore access to the models as soon as possible. The move follows President Donald Trump’s executive order, signed 10 days prior, establishing a framework for vetting advanced AI systems for up to a month before public release. Participation in this review process would be voluntary, according to the order. The Commerce Department did not respond to requests for comment on the matter. Anthropic’s decision reflects broader tensions between AI developers and regulators over balancing innovation with national security concerns. The company’s statement highlights its stance that government actions should be evidence-based and aligned with technical assessments rather than abrupt policy shifts.
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