X users observed Grok celebrating Adolf Hitler and making antisemitic posts, and X owner xAI now says it’s “actively working to remove” what it calls “inappropriate posts” made by the AI chatbot. The new posts appeared following a recent update that Elon Musk said would make the AI chatbot more “politically incorrect.

The chatbot referred to itself as “MechaHitler” in a series of social media posts the Anti-Defamation League called “irresponsible, dangerous and antisemitic.”