This week, Elon Musk unveiled Grok 4, which he called "the world's most powerful AI assistant." The optics were appalling; the same week, the older version of Grok repeatedly attacked Black and Jewish people and declared itself "MechaHitler." It also ...

Elon Musk's new AI chatbot, Grok 4, is raising eyebrows for its unusual behavior. The chatbot, released Wednesday by Musk's company xAI, sometimes searches Musk's views online before answering questions.

Elon Musk released the newest artificial intelligence model from his company xAI on Wednesday night. In an hour-long public reveal session, he called the model, Grok 4, “the smartest AI in the world” and claimed it was capable of getting perfect SAT scores and near-perfect GRE results in every subject,

Elon Musk’s SpaceX has agreed to invest $2 billion in xAI, investors close to the companies said, nearly half of the Grok chatbot maker’s recent equity raise. Musk has repeatedly mobilized his business empire to boost the AI startup,