Musk OpenAI Trial
OpenAI president Greg Brockman, center, arrives at the U.S. District Court in Oakland, Calif., Thursday, April 30, 2026.
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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. The trial centers on the 2015 birth of the ChatGPT maker as a nonprofit startup primarily funded by Musk. It pits the world’s richest person against Sam Altman, a fellow OpenAI co-founder he accuses of betraying promises to keep the company as a nonprofit dedicated to humanity’s benefit. On the stand, Musk has taken issue with the cross-examination by opposing attorney William Savitt, accusing him of asking misleading questions.
Greg Brockman, OpenAI’s president and CEO Sam Altman’s top lieutenant, disclosed in court Monday that his stake in the artificial intelligence company is worth nearly $30 billion. Brockman, who also said he did not invest in OpenAI, took the witness stand Monday in the landmark trial that centers on the 2015 birth of ChatGPT maker OpenAI as a nonprofit startup primarily funded by Musk before evolving into a capitalistic venture now valued at $852 billion.
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