Inside the fight over Claude Mythos 5
The Verge / 6/16/2026
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Key Points
- Anthropic says it was ordered by a U.S. export control directive to suspend access to its Claude-based Mythos 5 and Fable 5 models for “any foreign national,” including foreign-national employees, whether they are inside or outside the U.S.
- Anthropic concluded the directive effectively required fully disabling the products, which it had been actively promoting after their recent release.
- The company reportedly traveled to Washington, DC to try to persuade President Donald Trump’s administration to reverse or modify the decision.
- The dispute highlights how U.S. national-security and export-control rules can directly disrupt the availability of newly released AI models and affect international participation in teams.
- The article frames the situation as a high-stakes conflict between an AI developer and the Trump administration occurring immediately after the latest model hype cycle.
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