Elon Musk sued OpenAI, Sam Altman and Greg Brockman in 2024, claiming they reneged on their promise to keep the artificial intelligence lab a nonprofit.

Musk v. Altman puts OpenAI’s $130 billion foundation, Microsoft partnership and nonprofit mission on trial as IPO questions loom.

The trial in Elon Musk's lawsuit challenging OpenAI's for-profit status is set to begin Monday in California.