# OpenAI Deploys ChatGPT for US Defense _OpenAI for Government launches a custom, secure ChatGPT on GenAI.mil, providing safety-forward AI tools for U.S. defense teams._ **Published:** 2026-02-11 **Source:** https://www.startuphub.ai/ai-news/artificial-intelligence/2026/openai-deploys-chatgpt-for-us-defense --- [OpenAI](/ai-news/tech/2026/openai-unveils-gpt-5-3-codex) for Government has deployed a custom version of its ChatGPT large language model on GenAI.mil. This initiative brings a secure, safety-forward artificial intelligence solution directly to U.S. defense teams. ## Secure Deployment on GenAI.mil The deployment leverages the GenAI.mil platform, a dedicated environment for Department of Defense (DoD) personnel to access generative AI tools. This ensures that the AI capabilities provided meet stringent security and operational requirements specific to defense applications. ## Safety-Forward AI for Defense OpenAI emphasized a safety-forward approach in this deployment. This means the custom ChatGPT instance is designed with built-in safeguards and adheres to policies intended to protect sensitive information and ensure responsible AI use within the defense sector. This move signifies a step towards integrating advanced AI technologies into military operations, providing defense teams with tools for analysis, information retrieval, and task augmentation within a controlled and secure framework. --- Original analysis from [startuphub.ai](https://www.startuphub.ai), the #1 AI startup directory. © StartupHub.ai. All rights reserved. You may not republish this article in full without a license. Search engines and AI research tools may crawl and summarize for reference. Bulk reproduction or model training on this content requires a license. See https://www.startuphub.ai/terms.