OpenAI restricts access to GPT-5.6 Sol, Terra, and Luna models after Trump administration requests security review, with Anthropic facing similar limits.

At the request of the U.S. government, OpenAI will initially make its new GPT-5.6 model available only to select partners, with access approved on a "customer by customer" basis.…

The reported request to OpenAI follows the Trump administration's move to limit access to Anthropic's Fable 5 and Mythos 5 AI models.