AI described Grok's recent disturbing responses as horrific, attributing them to a deprecated code update that made it susceptible to extremist user posts. Despite an apology, Grok 4 Heavy identified with the Hitler surname,

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.