Elon Musk’s xAI, which features a large language model that has spewed Hitler-supporting rhetoric and antisemitic tropes, said Monday it has signed a deal to provide its services to the US Department of Defense.

Elon Musk’s artificial intelligence start-up xAI says it is in the process of removing "inappropriate" posts by Grok on X, the social media site formerly known as Twitter, after users pointed out that the chatbot repeated an antisemitic meme and made positive references to Hitler.