OpenAI President Greg Brockman and Musk’s fixer, Jared Birchall, are also expected to testify on Thursday.

Sam Altman and Elon Musk are facing off in a high-stakes trial that could alter the future of OpenAI and its most well-known product, ChatGPT. In 2024, Musk filed a lawsuit accusing OpenAI of abandoning its founding mission of developing AI to benefit humanity and shifting focus to boosting profits instead.

Elon Musk spent the better part of three days on the stand, accusing OpenAI and its executives of deceiving him into donating money to help found what is now one of the world’s biggest AI companies.

Elon Musk on Thursday sparred with an attorney for OpenAI during his third day of testimony in the contentious trial over the company’s pivot from nonprofit status to a for-profit venture valued at hundreds of billions of dollars.

Elon Musk shares controversial views on saving for retirement and why AI revolution will affect it. Find out more about the tech CEO’s comments.

Elon Musk made repeated references to an AI "Terminator" scenario while testifying before a California federal jury about OpenAI's for-profit move.

In a federal courtroom in California on Thursday, Elon Musk testified that his own AI startup, xAI, has used OpenAI’s models to improve its own.

The billionaire’s thoughts on crypto came up during the OpenAI trial