Skip to content
Defdex

Software · Multi-domain

ChatGPT Mil

OpenAI ChatGPT version for Department of War users on GenAI.mil, accredited at IL5.

by OpenAI · Unveiled Aug 31, 2026

FieldedSoftwareMulti-domainUnveiledAug 31, 2026
Milestones2026
  1. UnveiledChatGPT Mil publicly launched on GenAI.mil, confirmed
  2. FieldedLaunched on GenAI.mil, confirmed

Version of OpenAI's ChatGPT deployed on the Department of War's GenAI.mil platform and accredited for Controlled Unclassified Information at Impact Level 5.

Timeline2

  1. UnveiledConfirmed

    ChatGPT Mil publicly launched on GenAI.mil

    SourcesU.S. Department of War

  2. FieldedConfirmed

    Launched on GenAI.mil

    The Department of War launched ChatGPT Mil on GenAI.mil for department users.

    SourcesU.S. Department of War

Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.

Operators1

  • USUnited States

Sources1

  1. 1.
    Government recordDepartment of War Launches OpenAI's ChatGPT Mil on GenAI.mil

    U.S. Department of War · Aug 31, 2026 · Supports: System, System milestone

    “The Department of War today launched OpenAI's ChatGPT Mil, marking it as the next frontier AI capability housed on GenAI.mil, the Department's premier generative AI platform.”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.