The US government has ordered Anthropic to block all foreign nationals from accessing Fable 5 and Mythos 5, forcing the company to suspend both models worldwide. Anthropic is complying but disputes the basis, calling the cited jailbreak narrow and the capability widely available elsewhere.

Link to: https://www.anthropic.com/news/fable-mythos-access

Anthropic said it received a government directive banning all foreign nationals, even those working at Anthropic, from accessing Fable 5 and Mythos 5 over national security…