OpenAI's ChatGPT-5.6 gets the same banhammer treatment as Anthropic’s Mythos from the federal government — source says that Washington cautioned OpenAI against releasing the model without receiving approval

The U.S. government wants dibs on U.S. AI labs' most powerful models, asking for access 30 days before they go public. OpenAI is voluntarily complying with the President's executive order but wants 'to achieve a more sustainable approach for future releases.'