Anthropic in talks with Trump administration over model block

Anthropic representatives traveled to Washington to resolve a conflict sparked by an export rule. On Friday, the company received a demand to suspend access to the new Fable 5 and Mythos 5 models for all foreign nationals, forcing the developer to completely disable these products for all users.
The authorities cited a national security risk, referencing a potential ‘narrow jailbreak.’ According to Anthropic, this risk would allow a user to bypass protections and use AI to search for code vulnerabilities. The company called this standard excessive, noting that its application would halt releases for all frontier model developers.
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Cybersecurity experts push to lift restrictions on Anthropic models
40+ cybersecurity experts are urging the US to lift export controls on Anthropic’s Mythos 5 and Fable 5 models. They argue that restricting these tools, which help defenders find vulnerabilities, only puts US infrastructure at greater risk as similar capabilities exist in competitor models.
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