But after the chatbot developed by Elon Musk’s start-up xAI ranted for hours about a second Holocaust and spread conspiracy theories about Jewish people, the company responded by deleting some of the troubling posts and sharing a statement suggesting the chatbot just needed some algorithmic tweaks.

The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

Elon Musk's xAI faced internal backlash after Grok's antisemitic posts. Workers demanded answers — and one said they would quit.

Key Takeaways Tesla CEO Elon Musk said xAI's Grok chatbot will be added to Tesla vehicles in the coming weeks.The CEO also said Tesla is planning to expand its robotaxi service in Austin this weekend and to the Bay Area in the next two months.

SpaceX has invested $2 billion in xAI as part of a $5 billion equity round, strengthening Elon Musk's AI endeavors. This investment values the merged xAI and X at $113 billion, with the Grok chatbot now supporting Starlink and potentially integrating into Tesla's Optimus robots.

The release comes months after the AI startup launched its previous iteration, suggesting an ongoing lightning pace of AI development.

Elon Musk faces backlash after Grok AI made antisemitic remarks. Critics say Musk’s tweaks to the model steer it from fact-based responses.