Heavy hitters in Silicon Valley including Musk, Altman and Microsoft CEO Satya Nadella are expected to testify in person. Shivon Zilis, a former OpenAI board member who is also mo

There, the richest man in the world, Elon Musk, is demanding that OpenAI, a leading artificial intelligence firm that he co-founded, pay tens of billions of dollars in damages and oust its chief executive,

Jury selection kicks off in a high-stakes legal battle as Elon Musk sues OpenAI, the AI company he co-founded. Musk alleges OpenAI abandoned its founding mission to benefit humanity when it shifted to a for-profit model.

The trial in Elon Musk's lawsuit challenging OpenAI's for-profit status is set to begin Monday in California. The case pits two of the biggest artificial juggernauts -- Musk, owner of xAI, and Sam Altman,

The bitter legal fight between Elon Musk and the leading artificial intelligence firm, OpenAI, led by Sam Altman, may come down to a few pages in one executive's personal diary.

The lawsuit seeks to oust Sam Altman and claw back billions, testing legal theories about nonprofit governance.

OpenAI revised its Microsoft contract, floated a Qualcomm hardware deal, and faced Elon Musk in court — all before lunch Monday. Why it matters: OpenAI is rewriting the partnership that launched it while defending the legal premise on which it was built.

CNBC's Andrew Ross Sorkin reports on the latest news.