The AI startup behind the controversial Grok chatbot is in early talks to raise billions, with backing from Saudi Arabia’s ...

While Elon Musk's $300 “Heavy” model puts up record-breaking benchmark scores, the basic Grok 4 struggles to keep up with ...

Elon Musk’s AI chatbot Grok 4, launched by xAI this week, is drawing attention for how closely it mirrors its creator’s ...

The chatbot, released Wednesday by Musk's company xAI, sometimes searches Musk's views online before answering questions.