Elon Musk loses lawsuit against Sam Altman and OpenAI over charity breach allegations
Consensus Summary
A federal jury in Oakland, California, unanimously ruled against Elon Musk in his lawsuit against Sam Altman, OpenAI, and Greg Brockman, finding no liability for alleged breach of charitable trust and unjust enrichment. The trial, which lasted three weeks, centered on Musk’s claim that Altman and OpenAI violated their founding agreement by restructuring the company from a nonprofit to a for-profit entity. Musk sought $134 billion in damages, removal of Altman and Brockman, and undoing of the for-profit structure. The jury found that Musk’s case was filed too late, citing the statute of limitations. Testimony from former OpenAI executives, including Mira Murati, Ilya Sutskever, and Natasha McCauley, painted Altman as untrustworthy, while Altman and Microsoft CEO Satya Nadella criticized Musk’s erratic behavior and leadership. The verdict clears the path for OpenAI’s planned $1 trillion IPO and reassures investors, though it leaves unresolved broader questions about AI governance and labor practices. The trial also exposed personal and professional tensions, including Musk’s absence during closing arguments and Altman’s recent security incident.
✓ Verified by 2+ sources
Key details reported by multiple sources:
- A nine-person jury in Oakland, California federal court ruled unanimously against Elon Musk in his lawsuit against Sam Altman, OpenAI, and Greg Brockman, finding them not liable for breach of charitable trust and unjust enrichment.
- The trial took place in Oakland, California, federal courthouse, beginning on April 28, 2026, and lasted three weeks.
- Elon Musk alleged that Sam Altman and OpenAI broke a founding agreement by restructuring the company from a nonprofit to a for-profit entity, claiming Altman 'stole a charity'.
- Musk sought $134 billion (later mentioned as $150 billion) in damages to be redistributed from OpenAI’s for-profit arm to its nonprofit, removal of Altman and Brockman, and undoing of the for-profit restructuring.
- Sam Altman testified that Musk wanted 'total control' of OpenAI and once suggested control could pass to his children, and that Musk was erratic and demoralized staff.
- Former OpenAI executives Mira Murati, Ilya Sutskever, and Natasha McCauley testified that Altman exhibited a 'consistent pattern of lying, undermining his execs, and pitting them against one another'.
- Microsoft CEO Satya Nadella testified that the 2023 OpenAI board attempt to remove Altman was poorly handled and caused instability, calling it 'amateur city'.
- Elon Musk testified for three consecutive days, describing Altman as conniving and claiming OpenAI abandoned its charitable mission for profit.
- The jury deliberated for less than two hours before reaching a unanimous verdict.
- OpenAI is preparing for an initial public offering (IPO) later in 2026 with a potential valuation of $1 trillion.
- Microsoft has invested over $100 billion in its partnership with OpenAI.
- Elon Musk left OpenAI’s board in 2018, and OpenAI established a for-profit entity in 2019.
Points of Difference
Details reported by only one source:
- The jury ruled that Musk’s case was filed too late, citing the statute of limitations.
- Musk’s lawyers claimed the trial exposed Altman’s deceptions, even if the jury ruled against him on a technicality.
- SpaceX is reportedly planning an IPO in June that could exceed OpenAI’s potential valuation.
- Elon Musk’s lawyer, Steven Molo, apologized for Musk’s absence during closing arguments, noting he was in China on a diplomatic trip with Donald Trump.
- Shivon Zilis, Musk’s former romantic partner and a former OpenAI board member, testified about her role and denied acting as a spy for Musk.
- Greg Brockman’s private diary entries, including 'financially, what will take me to $1bn?', were presented as evidence of ambition and deception.
- Karen Hao’s opinion piece argues the trial distracts from broader issues of AI governance, labor exploitation, and corporate consolidation.
- The trial revealed Musk texted Brockman two days before the trial: 'By the end of this week, you and Sam will be the most hated men in America. If you insist, so it will be.'
- Sam Altman was the target of a molotov cocktail attack at his San Francisco home during the trial.
- The trial highlighted the broader issue of AI industry consolidation, with nearly half of all venture money in 2025 going to OpenAI and Anthropic.
Contradictions
Conflicting information between sources:
- The Guardian states Musk sought $134 billion in damages, while ABC later mentions $150 billion in damages.
- The Guardian reports the jury’s verdict was not purely technical but substantive, while ABC frames it as a technical ruling due to statute of limitations.
- Guardian’s Karen Hao argues the trial is a distraction from broader AI governance issues, while other Guardian articles focus on the legal and personal feud aspects.
- Guardian reports Musk left OpenAI in 2018, while ABC does not specify the exact year but confirms the timeline of events leading to the lawsuit.
Source Articles
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