ai2 min read·Updated May 5, 2026·Fact-check: reviewed

Elon Musk Takes the Stand to Challenge OpenAI's Commercial Shift

Musk's three-day testimony highlighted his claims that OpenAI violated its charitable mission by transitioning to a for-profit structure.

BylineEditorial Desk··Updated May 5, 2026
Source context

Primary source: TechCrunch AI. Full source links and update notes are below.

Fast summary

Start here

  • Elon Musk spent three days testifying in his lawsuit against OpenAI, claiming the organization abandoned its nonprofit charter.
  • Court evidence includes internal emails, texts, and tweets used to argue that the company's assets were effectively 'stolen' for profit.
  • The case centers on whether OpenAI's partnership with Microsoft and for-profit pivot betrayed early donors' intent.
Elon Musk testifying in a courtroom setting regarding the OpenAI lawsuit.

What happened

Elon Musk completed three days of testimony this week in his ongoing legal battle against OpenAI and its leadership. Musk's lawsuit alleges that the organization, which he helped found and fund, breached its original contract by converting from a nonprofit dedicated to the benefit of humanity into a commercial entity focused on profit-driven developments.

What's new in this update

The courtroom proceedings have seen the introduction of internal communications, including emails and text messages, that attempt to document the shift in strategy led by Sam Altman. Musk's testimony emphasized his belief that the transition to a for-profit model was an illegal diversion of charitable resources, stating on the stand that 'you can't steal a charity.'

Key details

The litigation focuses on the fiduciary responsibilities of OpenAI's board and leadership. Musk argues that the 2015 mission he signed up to fund—creating safe, open-source artificial general intelligence—has been compromised by the company's subsequent for-profit subsidiary and its multi-billion dollar ties to Microsoft. The trial also highlighted broader industry shifts, including the current landscape of enterprise AI spending and the emergence of 'military AGI' startups.

Background and context

OpenAI was founded as a nonprofit research lab to ensure that AGI would benefit all of humanity. Musk was a primary financial backer in its early years but left the board in 2018. Following his departure, OpenAI restructured to include a 'capped-profit' arm to facilitate massive capital investments required for large-scale model training, a move Musk contends was a betrayal of the original founding principles.

What to watch next

The trial is set to continue with more witnesses expected to take the stand, including OpenAI CEO Sam Altman. Their testimonies will likely address the internal decision-making process behind the structural pivot and respond to Musk's allegations regarding the use of early nonprofit funding for commercial gain.

Why it matters

This legal battle could set a significant precedent regarding the ability of nonprofit organizations to privatize their assets and shift away from their founding missions.

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Sources and methodology

Elon MuskOpenAISam AltmanNonprofit LawTech Litigation