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Applied AI·June 13, 2026·1 min read

Anthropic blocks all public access to Claude Fable 5, Mythos 5 following US government order — what enterprises should do

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A US export control order forcing Anthropic to cut off Claude Fable 5 and Mythos 5 for foreign nationals — and effectively everyone else — puts model access risk in the same category as sanctions and supply-chain controls. If you’re building on frontier models, treat jurisdiction and exportability as first-class vendor risks and design for rapid model failover across at least two regulatory regimes.