The Commerce Department instructed Anthropic to suspend access to Fable 5 and Mythos 5 for any foreign national, which Anthropic said requires disabling the models entirely.

The US government has ordered artificial intelligence company Anthropic to suspend access to its latest AI models, Fable 5 and Mythos 5, citing national security concerns.

The company said the government did not provide detailed information about the underlying national security concern.