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.

Grok, X's AI chatbot, has just launched in Tesla cars via a software update, beating Google's Gemini to in-vehicle ...

Elon Musk has announced that Grok, the generative AI chatbot developed by xAI, will be integrated into Tesla vehicles in the ...

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI's ChatGPT and Google's Gemini in building an AI assistant that shows its ...

Less than a month after its debut in Austin, Elon Musk's Tesla robotaxi service is poised to expand its operations around the ...

Much of Elon Musk’s business empire is in disarray, but his rocket-and-satellite company is riding high.