US Department of War Expands GenAI.mil Platform With xAI Partnership

The US Department of War has entered into an agreement with xAI, bringing the company’s frontier-grade AI systems to GenAI.mil, the department’s newly launched internal AI platform.

The move expands the War Department’s growing AI ecosystem, which is being rolled out across its roughly three million military and civilian personnel. 

According to the department, xAI’s tools will be added alongside other already-deployed systems, further embedding generative AI into daily government and military work.

Under the agreement, GenAI.mil will integrate xAI’s frontier AI systems based on the Grok family of models. The initial deployment is targeted for early 2026, with access certified at Impact Level 5 (IL5), allowing personnel to work with Controlled Unclassified Information (CUI) securely.

The integration is designed to support both enterprise tasks and mission-related workflows. In addition to model access, the War Department says users will be able to tap into real-time global insights from the X platform, a feature it believes will provide faster situational awareness and decision support.

The department stated that the expansion builds on its broader goal of integrating AI into routine operational tools rather than a niche capability.

xAI’s role in government AI

xAI confirmed its selection in a separate announcement, saying its xAI for Government platform was chosen to support both enterprise AI and mission systems within the Department of War.

The company said the platform is designed specifically for US federal, state, and local government use, combining access to its AI models, agentic tools, research capabilities, and APIs. Within the War Department, those tools will be made available at IL5 when fully rolled out, reaching users “from the Pentagon to the tactical edge,” according to xAI.

Beyond enterprise use, xAI said it is also working on government-optimized foundation models to support more sensitive operational workloads through long-term partnerships with defense and mission partners.

Building on GenAI.mil’s launch

The xAI deal follows the recent launch of GenAI.mil, which debuted earlier this month with Google’s Gemini for Government as its first integrated model. That rollout marked a major step in the department’s push to make generative AI available across all major installations and offices.

Announcing the earlier launch, Secretary of War Pete Hegseth said, “AI tools present boundless opportunities to increase efficiency, and we are thrilled to witness AI’s future positive impact across the War Department.”

The department has framed GenAI.mil as a central pillar of its effort to build what it calls an “AI-first” workforce, backed by internal training and strict security certifications.

With xAI now joining the platform, the War Department is signaling that GenAI.mil will continue to grow as a multi-vendor AI environment rather than a single-model system. Officials say the focus remains on speed, security, and day-to-day usability for personnel across the department.

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