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

Elon Musk ripped into his own newly improved artificial intelligence chatbot Grok after it declared that the biggest threat facing Western civilization was “misinformation.” The billionaire Tesla and xAI chief had announced a new version of Grok on Wednesday night,

Musk did not apologize nor did he accept responsibility for Grok's antisemitic, sexually offensive, and conspiratorial remarks.

Correspondent Ronny Chieng clowned the billionaire after his artificial intelligence chatbot went "full Nazi" on him.

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.

Key Points Tesla stock fell after Dan Ives issued a report saying Elon Musk's new political party was "exactly the opposite" thing investors want.The longtime Tesla bull says Musk is risking a $1 trillion opportunity in autonomous vehicles.