Elon Musk takes the stand in OpenAI lawsuit that could reshape the company's future

Reviewed byNidhi Govil

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Elon Musk testified in a California federal court this week, alleging that Sam Altman and Greg Brockman deceived him into funding OpenAI as a nonprofit, only to pivot toward a for-profit entity. The high-stakes trial could result in up to $134 billion in damages and force major governance changes at OpenAI, potentially derailing its IPO plans while raising fundamental questions about AI safety and corporate accountability.

Elon Musk Testimony Kicks Off High-Stakes Trial Over OpenAI's Future

A California federal courtroom became the stage for one of tech's most anticipated legal battles as Elon Musk and Sam Altman faced off over the future of OpenAI. Jury selection began Monday before US District Judge Yvonne Gonzalez Rogers, with Elon Musk taking the stand Tuesday to argue that Altman and Greg Brockman "stole a charity" by abandoning OpenAI's founding mission

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. The OpenAI lawsuit centers on whether the AI lab's transformation from a nonprofit focused on the benefit of humanity into a for-profit entity constitutes a betrayal of its original purpose

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Source: Digit

Source: Digit

Musk is seeking as much as $134 billion in damages from OpenAI and Microsoft, though he has pledged to donate any winnings to OpenAI's nonprofit arm

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. More significantly, he wants the court to remove Altman and Brockman from their roles and restore OpenAI as a nonprofit. If successful, the lawsuit could dash OpenAI's hopes of expanding its for-profit arm and complicate plans for an initial public offering expected as soon as this year

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AI Safety Concerns Drive Founding Agreement Dispute

During his Elon Musk testimony, the billionaire framed his concerns around artificial general intelligence (AGI) and what he called the "Terminator outcome" — a scenario where AI systems become smarter than humans with catastrophic results

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. Musk told the nine-member advisory jury that he cofounded OpenAI in 2015 after meeting with then-President Barack Obama about AI safety, but "the government was not stepping up"

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The founding agreement between Musk and Altman emerged from shared concerns about Google's unchecked AI development. Musk revealed that a falling out with Larry Page over AI safety motivated OpenAI's creation, recalling a conversation where Page dismissed human extinction concerns and called Musk a "speciesist" for being "pro-humanity"

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. In early 2015 emails, the two agreed OpenAI should be structured "so that the tech belongs to the world via some sort of nonprofit, but the people working on it get startup-like compensation if it works"

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Source: ET

Source: ET

Corporate Restructuring and the For-Profit Entity Debate

The crux of the case revolves around OpenAI's transformation from its nonprofit origins. When OpenAI was originally founded, backed by a $38 million donation from Musk, the company promised to create open-source technology for the public's benefit

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. However, court documents reveal that by 2017, discussions about creating a for-profit arm had begun, with both sides presenting conflicting narratives about what was agreed upon

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During cross-examination, OpenAI's lawyer William Savitt sought to demonstrate that Musk had supported various efforts to transition OpenAI toward for-profit status and had even explored creating a for-profit arm where he would hold majority equity and control

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. Musk testified he had discussed converting the company to a for-profit as early as 2016 and explored incorporating OpenAI into Tesla in 2017

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Musk insisted there was a significant difference between investors whose profits are capped versus unlimited — a distinction central to his case. He claimed Microsoft's $10 billion investment in 2023, coupled with OpenAI increasingly moving intellectual property and staff to the for-profit company, crossed a line

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. His attorney compared it to "a nonprofit museum store sold the Picassos so they were locked up where no one could see them"

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Source: ET

Source: ET

Contradictions Emerge Under Cross-Examination

The Elon Musk testimony took a challenging turn Wednesday when his own social media posts undermined his courtroom claims. After stating that Tesla is not currently pursuing artificial general intelligence, he was confronted with a recent tweet claiming "Tesla will be one of the companies to make AGI"

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. Musk also admitted he had claimed to invest $100 million in OpenAI on social media, when the actual amount was $38 million, arguing his reputation and network made up the difference

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Savitt presented emails showing Musk backed efforts by Tesla and Neuralink to poach OpenAI employees while still serving on the company's board, including recruiting Andrej Karpathy and discussions about Ilya Sutskever

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. Shivon Zillis, Musk's longtime adviser and mother of four of his children, also played a role as an OpenAI board member who kept Musk informed about fundraising efforts

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What the OpenAI Non-Profit Mission Means for AI Development

Critical evidence may come from Greg Brockman's personal diary entries from 2017, where he wrote "This is the only chance we have to get out from Elon" while questioning whether Musk would be the "glorious leader" to run the company

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. These documents suggest the co-founders were sincerely questioning both Musk and Altman's motivations for wanting to become OpenAI's CEO at that time

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OpenAI has defended its corporate restructuring by claiming that intensifying competition made it dangerous to share how it develops AI models and that a nonprofit structure could not raise enough money to keep building AI

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. In October 2025, state attorneys general of California and Delaware approved OpenAI's new corporate structure with conditions, including a safety and security committee at the nonprofit to review safety-related decisions made by the for-profit subsidiary

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Implications for Corporate Governance and Charitable Organizations

Legal experts have questioned whether Musk even has standing to bring this lawsuit. "The idea that Elon Musk can sue because he was a donor or used to be on the board is pretty puzzling," says Jill Horwitz, a law professor at Northwestern University who studies nonprofit law

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. California's attorney general declined to join Musk's lawsuit, stating the office did not see how his action serves the public interest

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Musk framed the stakes dramatically on social media and in court, claiming a loss would mean "it is OK to loot a charity" in America and risk undermining "all charitable giving in the United States forever"

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. OpenAI countered that "this lawsuit has always been a baseless and jealous bid to derail a competitor," suggesting Musk launched his own AI firm xAI in 2023 and is using litigation as a delay tactic while racing to catch up to OpenAI's lead

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Expected witnesses include former OpenAI chief scientist Ilya Sutskever, former CTO Mira Murati, and Microsoft CEO Satya Nadella

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. Judge Yvonne Gonzalez Rogers indicated that while she doesn't want to hear about AI model scandals, comparing xAI and OpenAI's approaches to AI safety remains fair game for examination

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. The nine-member jury will deliver an advisory verdict to guide the judge's ultimate decision on both liability and remedies

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