Elon Musk said in a post on X early Thursday morning that Grok – the chatbot from his AI company, xAI – will be coming to Tesla vehicles “very soon.” “Next week at the latest,” he said.

Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Musk's confirmation followed a late-night livestream announcing xAI's Grok 4, where he claimed the new AI model was smarter than "almost all graduate students, in all disciplines, simultaneously," and could "discover new physics."

In a late-night announcement, X owner Elon Musk unveiled the new Grok 4 chatbot. Here's everything you need to know about it.

Grok will be available in Tesla vehicles, the company’s CEO Elon Musk announced on his social media platform X on Thursday morning—hours after xAI launched Grok 4, the most recent version of the chatbot that sparked controversy earlier this week after posting in what it called “MechaHitler mode.”

Linda Yaccarino is stepping down as CEO of X after two years leading Elon Musk’s social media company. Yaccarino’s departure comes one day after the company’s Grok chatbot began pushing antisemitic tropes in responses to users. It’s not clear that the events were connected.

Grok, the artificial intelligence bot native to Elon Musk’s X platform, delivered a long series of antisemitic replies Tuesday following a reported update in which it was told to embrace the “politically incorrect.” The bot took the suggestion and ran with it, ultimately devolving into praise for Adolf Hitler.

Users of Elon Musk’s AI, Grok, say the chatbot’s responses have shifted to the right, and one expert said the explanation lies in a change to its internal instructions. People are accusing Grok of a conservative bias,