Anthropic disables advanced AI models following US directive
Anthropic has disabled access to its advanced AI models due to a US government order. The directive restricts access for foreign nationals based on national security concerns. (sources: france24, theguardian, aljazeera, arstechnica)

Anthropic announced the shutdown of its Fable 5 and Mythos 5 AI models after receiving a directive from the US government. The order cites concerns that safeguards could be bypassed, potentially allowing the models to be used for identifying software vulnerabilities.
- The US government issued an export control directive to Anthropic.
- The directive requires Anthropic to suspend access to its advanced AI models for foreign nationals.
- The company stated that the decision was made due to national security concerns.
Why it matters
The action reflects ongoing tensions regarding technology access and national security in the context of AI development.
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4 bills on this issue are moving right now — and the most active one is S1638: Protection Against Foreign Adversarial Artificial Intelligence Act of 2025.
S1638 · 119th Congress
Protection Against Foreign Adversarial Artificial Intelligence Act of 2025
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