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Elon Musk Testifies on OpenAI's Shift from Nonprofit in Ongoing Lawsuit

Elon Musk testified for a second day in a federal trial in Oakland, California, accusing OpenAI CEO Sam Altman of betraying the company's founding nonprofit mission. Musk, who co-founded OpenAI in 2015 and invested $38 million, claims the shift to a for-profit entity violated initial agreements.

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13 sources·Apr 29, 11:58 PM(5 days ago)·2m read
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Elon Musk Testifies on OpenAI's Shift from Nonprofit in Ongoing Lawsuitunder30ceo.com
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Elon Musk testified in federal court in Oakland, California, on Wednesday, detailing allegations that OpenAI and its CEO Sam Altman breached commitments to operate as a nonprofit dedicated to benefiting humanity. The lawsuit, filed by Musk, claims that OpenAI's transition to a for-profit entity violated founding agreements from 2015.

According to court filings, Musk invested approximately $38 million in OpenAI between December 2015 and May 2017. OpenAI's legal team stated in court that no binding promises were made to maintain the nonprofit structure indefinitely.

The trial, overseen by U.S. District Judge Yvonne Gonzalez Rogers, began on Monday and is projected to continue for about four weeks. During Musk's 3.5-hour testimony, he described his initial involvement in founding OpenAI with Altman and Greg Brockman as a nonprofit aimed at safely developing artificial general intelligence.

" Under cross-examination by OpenAI attorney William Savitt, Musk was questioned about emails from before 2015 that discussed potential for-profit models and tax deductions for donations. " The judge interjected, saying, "We are not going to go there," according to accounts from the courtroom.

Musk testified that he initially proposed holding a majority stake and control of four out of seven board seats at OpenAI, with plans to reduce his ownership over time, similar to his current 15% stake in Tesla after starting with a majority. OpenAI's representatives argued in court that no assurances were provided regarding Musk relinquishing board control.

The lawsuit also names Brockman and Microsoft as defendants, with Musk seeking Altman's removal from the board, a return to nonprofit status, and the transfer of gains estimated at $150 billion to a charitable trust.

OpenAI was established in 2015 amid concerns about competitors like Google DeepMind. Musk departed the organization in 2018 following disagreements and founded xAI in 2023. Court documents include a 2018 email from Musk suggesting a potential merger of OpenAI with Tesla to better compete with Google.

OpenAI's legal arguments, as presented in pretrial filings, assert that Musk previously advocated for structural changes to enable competition, which he now challenges.

The case involves pretrial discoveries, including communications showing Musk's interactions with former OpenAI board member Shivon Zilis, whom he described as his chief of staff. No public statements from Zilis regarding her role in monitoring OpenAI appear in available court records.

The trial has not yet addressed potential impacts on OpenAI's valuation, reported at $852 billion, or any planned initial public offering.

Key Facts

$38 million
Musk's investment in OpenAI from 2015 to 2017
$852 billion
current valuation of OpenAI
4 weeks
expected duration of the trial
$150 billion
alleged ill-gotten gains Musk seeks returned
2015
year OpenAI was founded as nonprofit

Story Timeline

5 events
  1. Wednesday

    Elon Musk testified for 3.5 hours on the second day, accusing Altman of betraying OpenAI's nonprofit mission.

    10 sourcesThe Washington Times · The Washington Post · BBC News
  2. Monday

    The trial began with jury selection in Oakland federal courthouse, presided by Judge Yvonne Gonzalez Rogers.

    5 sourcesThe Guardian · The Atlantic · The Washington Times
  3. 2023

    Musk launched xAI as a competitor to OpenAI after leaving in 2018.

    4 sourcesThe Washington Times · The Atlantic · The Guardian
  4. 2018

    Musk left OpenAI following a falling out with Altman and other co-founders.

    6 sourcesThe Atlantic · The Washington Times · NPR
  5. December 2015

    OpenAI was founded as a nonprofit by Musk, Altman, and Brockman.

    8 sourcesThe Washington Times · The Atlantic · Le Monde

Potential Impact

  1. 01

    OpenAI could be forced to revert to nonprofit status, halting its for-profit operations.

  2. 02

    Altman may be removed from OpenAI's board if Musk wins the lawsuit.

  3. 03

    OpenAI's potential initial public offering would be derailed.

  4. 04

    Microsoft's investment in OpenAI faces risks from structural changes.

  5. 05

    Broader AI industry splits may increase, following patterns like Anthropic's formation.

  6. 06

    xAI could gain competitive advantage in the AI market.

Transparency Panel

Sources cross-referenced13
Framing risk28/100 (low)
Confidence score98%
Synthesized bySubstrate AI
Word count433 words
PublishedApr 29, 2026, 11:58 PM
Bias signals removed7 across 4 outlets
Signal Breakdown
Loaded 3Editorializing 1Diminishing 1Amplifying 1Speculative 1

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