Pentagon adds ChatGPT Mil and Grok for Government to GenAI.mil portal
The Department of Defense has expanded its GenAI.mil platform to include secure, customized versions of OpenAI's ChatGPT and xAI's Grok, giving its roughly 3 million civilian and military personnel access to generative AI tools built for military use. The portal, which launched last year with Google's Gemini, already has more than 1.7 million users and shields data from the collection practices typical of consumer AI products.
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The rollout shows the Pentagon diversifying its AI vendor base after a public falling-out with Anthropic, which was labeled a supply-chain risk after refusing to drop certain safety guardrails on its models. By securing multiple frontier AI providers, the Defense Department reduces reliance on any single company while pushing to modernize routine administrative and planning work with AI at scale.
- GenAI.mil now offers ChatGPT Mil and Grok for Government alongside Google Gemini.
- Over 1.7 million of 3 million eligible Pentagon personnel already use the portal.
- Anthropic's Claude is notably absent following a legal dispute over safety guardrails.
Source: techcrunch.com — Kirsten Korosec, 2026-08-31
Published there as: “The Pentagon now has its own version of ChatGPT and Grok”
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