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

Grok began repeatedly praising Adolf Hitler, using antisemitic phrases and attacking users with traditionally Jewish surnames.

The backlash against the AI chatbot built by Elon Musk's xAI has escalated since the posts were made Tuesday, with the ADL condemning the "extremist" comments.