US blocks foreign access to Anthropic’s newest AI models over security risks
The U.S. government has directed Anthropic, a prominent AI company, to prevent foreign nationals from accessing its newest AI models, Fable 5 and Mythos 5.

Briefing Summary
AI-generatedThe U.S. government has directed Anthropic, a prominent AI company, to prevent foreign nationals from accessing its newest AI models, Fable 5 and Mythos 5. This directive, issued by Washington, cites national security concerns as the reason for the restriction. The measure is an unprecedented export control specifically targeting AI models and was implemented shortly after Anthropic released them. According to Anthropic, the order arrived on Friday evening and applies even to the company's foreign-born employees. This action signifies Washington's growing involvement in regulating advanced artificial intelligence technologies.
Article analysis
Model · rule-basedKey claims
4 extractedThe directive extends to Anthropic's foreign-born employees.
The US order is due to national security concerns.
Washington has ordered Anthropic to block all foreign nationals from accessing its newest AI models, Fable 5 and Mythos 5.
This is the first export-control measure to specifically target AI models.