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.

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

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

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.

Elon Musk and Sam Altman face off in a $150 billion federal trial over whether OpenAI betrayed its nonprofit founding mission, a verdict that could reshape the future of artificial intelligence.

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