In court, Elon Musk accuses OpenAI of trying to 'have your cake and eat it, too'

Elon Musk arrives at the U.S. District Court in Oakland, Calif., Tuesday, April 28, 2026. Godofredo A. Vásquez/AP hide caption toggle caption Godofredo A. Vásquez/AP Elon Musk, of Tesla, SpaceX and DOGE fame, is testifying in court for a second day on Wednesday in his lawsuit against OpenAI and its CEO Sam Altman, a case that could alter the competitive landscape for artificial intelligence. The case hinges on whether OpenAI, founded by Musk, Altman and a handful of others in 2015, strayed from its original mission as a non-profit developing AI for the benefit of humanity when a for-profit arm was created to raise funding to supercharge its research. On Tuesday, lawyers for Musk and OpenAI delivered opening statements that painted starkly different pictures. Musk's team argued that Altman and OpenAI President Greg Brockman " stole a charity " and enriched themselves when they created the for-profit arm of OpenAI that has since ballooned in valuation. OpenAI's lead lawyer said this is a simple case of sour grapes, with Musk seeking to attack a rival because he is unhappy that OpenAI thrived after he left in 2018 following a disagreement about leadership. He launched his own competing company, xAI, in 2023. The for-profit arm of OpenAI was created to help raise money and attract talent. It is a subsidiary of the not-for-profit OpenAI Foundation. …