The Defense Department will begin using Grok, X owner Elon Musk’s controversial artificial intelligence chatbot.

On Monday, the Chief Digital and Artificial Intelligence Office announced a slew of contracts, granted to Anthropic, Google, OpenAI, and xAI, for use by the DOD. The contracts, giving up to $200 million to each company, will allow the Pentagon to “leverage the technology and talent of U.S. frontier AI companies to develop agentic AI workflows across a variety of mission areas.”