13 February 2026

Pentagon adding ChatGPT to its enterprise generative AI platform

Jon Harper

The Defense Department announced Monday that it will incorporate OpenAI’s ChatGPT into the military’s generative AI platform that’s already being used by more than a million personnel. ChatGPT has been wildly popular in the commercial sector since it was widely released in 2022. Now the Pentagon plans to add the tech to its GenAI.mil system, which DOD leadership — including Defense Secretary Pete Hegseth — have been pushing hard for the department’s employees to use since it was launched in December.

The Army, Navy, Air Force, Space Force and Marine Corps have already adopted the system as their preferred generative AI platform.

Google’s Gemini products were the first tools to be integrated into GenAI.mil.

Pentagon leaders previously announced that Grok large language models from xAI, led by Elon Musk, would be included in “early 2026.” On Monday, the DOD announced that ChatGPT will be brought into the system, although the announcement did not provide a time frame for when it will be available.

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