Pentagon adds ChatGPT and Grok to its GenAI.mil portal

The US Department of Defense has rolled out OpenAI's ChatGPT Mil and Grok for Government, supplied through SpaceX's Starshield, across the military via GenAI.mil, its portal for commercial AI tools, according to reporting by DefenseScoop and TechCrunch. The platform launched last December with Google's Gemini for Government alone and has since drawn more than 1.7 million users; ChatGPT Mil is described as built to scale to more than three million personnel.

The department frames the tools' remit as sensitive but unclassified work: planning, policy, logistics and administration for ChatGPT Mil, and tasks from acquisition market research to supply-chain management for Grok. That framing deserves attention, because unclassified is not the same as unimportant. The connective tissue of a military — who is moving what where, which units are short of which parts — is exactly the material that aggregates into intelligence, and it now flows through commercial frontier models operated under government-specific terms.

What the portal has quietly become is a scoreboard of who accepted those terms. Three frontier labs are now in. The one conspicuously out is Anthropic, which the department is removing from its systems by the end of September, after Defense Secretary Pete Hegseth designated the company a supply-chain risk in March. The dispute was over two red lines Anthropic wanted made explicit: no mass surveillance of Americans and no fully autonomous weapons. Anthropic went to court, and a federal judge blocked the designation earlier this year, but reporting indicates the removal effort has continued through the litigation, with some military users described as dragging their feet.

The commercial stakes make the policy question sharper, not softer. A three-million-seat deployment is the kind of contract that shapes a market, which means the terms of entry — what a lab must accept about how its models are used — are being set by the buyer with the least tolerance for conditions. Every frontier lab watching has now learned the price of asking.