The government's abrupt removal of the AI models stunned the industry

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

Anthropic disabled access to its Fable 5 and Mythos 5 models to comply with a government export control directive citing "national security authorities."

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…