xAI to Raise $20 Billion After Nvidia and Others Boost Round

Elon Musk’s artificial intelligence startup xAI is raising more financing than initially planned, tapping backers including Nvidia Corp. to lift its ongoing funding round to $20 billion, according to people with knowledge of the matter.

The financing includes equity and debt in a special purpose vehicle that will buy Nvidia processors and rent them to xAI for use in its Colossus 2 project, said the people, who asked not to be identified because the information is private. That’s the name of its largest data center site, which is located in Memphis.

Nvidia is investing as much as $2 billion ...