Google, Microsoft, and xAI agree to let US government test AI models before public release — OpenAI and Anthropic also on board after renegotiating deals with Washington

Google, Microsoft, xAI, OpenAI, and Anthropic will let the U.S. government evaluate their frontier AI models before public release.

The voluntary reviews will be run through CAISI, a Commerce Department center focused on cybersecurity, biosecurity, and chemical weapons risks.

CAISI has already completed more than 40 assessments and is being folded into the Trump administration’s AI oversight framework.

The move gives Washington a more formal role in testing advanced AI systems for safety and security concerns.