Key facts
- The Pentagon has launched custom versions of OpenAI's ChatGPT and xAI's Grok.
- These AI tools are available to 3 million Department of Defense personnel.
- The tools are accessible via the secure GenAI.mil portal.
The Pentagon has introduced tailored versions of OpenAI's ChatGPT and xAI's Grok, accessible through its secure GenAI.mil portal. These generative AI tools aim to enhance productivity and operational efficiency for military and civilian personnel while ensuring data security.

The Pentagon's adoption of tailored generative AI tools signifies a significant move by a major government entity to integrate advanced AI for national security and operational efficiency, potentially setting a precedent for other defense organizations.
The Pentagon has introduced specialized versions of popular generative AI tools, ChatGPT and Grok, to its 3 million civilian and military personnel. These custom models, integrated into the secure GenAI.mil portal, are designed to meet specific "warfighter needs" and enhance operational capabilities without compromising sensitive government data.
GenAI.mil, which initially featured Google Gemini, provides Department of Defense employees access to advanced AI models in a secure environment, distinct from consumer-facing applications that often involve data collection. The portal has seen significant adoption, with over 1.7 million unique users registered.
The introduction of ChatGPT Mil, developed through OpenAI's Government program, will offer familiar features for administrative tasks, logistics, planning, and policy development. Grok for Government, provided by SpaceX's Starshield AI, is positioned for broader military applications, aiming to deliver immediate productivity gains, improve knowledge continuity, and enable more secure collaboration for executing missions with greater speed and precision.
These initiatives are part of the Pentagon's broader strategy to leverage AI for accelerating work and gaining a strategic advantage. The absence of Anthropic's Claude model from the platform highlights ongoing efforts to work with various tech companies, following a dispute over safety guardrails and a "supply-chain risk" designation by the Trump administration.