model-shutdown

1 article tagged with model-shutdown

June 13, 2026
changelogAnthropic

U.S. Government Orders Anthropic to Shut Down Claude Fable 5 and Mythos 5 Models

The U.S. government ordered Anthropic to immediately shut down access to Claude Fable 5 and Claude Mythos 5 on Friday, citing national security concerns. Anthropic received the directive at 5:21 pm ET and has complied, disabling both models worldwide, but says the government received only verbal evidence of a 'potential narrow, non-universal jailbreak.'