The action comes two weeks after the government ordered the AI firm to suspend access to some of its models, due to fears they could be deployed by military intelligence users in China, Russia or other countries of concern.

The move comes the same day as a new OpenAI model sees a limited release.

June 26 : The U.S. government on Friday allowed Anthropic to release its powerful Claude Mythos 5 AI model to some "trusted partners", according to a Commerce Department letter…

Commerce Secretary Howard Lutnick said he "determined that appropriate safeguards are in place" to grant access to Mythos.

The US government has authorised a limited release of Anthropic's advanced artificial intelligence model, Mythos 5, allowing a small group of trusted American cybersecurity firms…