Anthropic's Claude is the one frontier model missing from the Pentagon's AI portal

The Pentagon on Monday pushed military versions of OpenAI’s ChatGPT and xAI’s Grok to its GenAI.mil portal.

The two tools reach 3 million defense personnel. Anthropic’s Claude is locked out in a court fight over the safety limits it wanted.

1.7 million users signed on in nine months

GenAI.mil is the Department of War’s one-stop shop for commercial AI.

Staff can deploy frontier models without passing sensitive data through consumer apps, and military versions omit the data collection built into most consumer products.

Both tools received accreditation for Controlled Unclassified Information at Impact Level 5, the tier that covers sensitive government work that is not classified. That clearance allows them to deal with it at scale.

It launched about nine months ago with Google’s Gemini as its first model. The department says it has enrolled more than 1.7 million users out of a workforce of more than 3 million.

With the addition of Grok and ChatGPT, the portal becomes a multi-model marketplace. The Pentagon framed that as a way to avoid getting locked into one supplier.

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