The first phase of the high-stakes legal battle between Elon Musk and OpenAI concluded in a federal courthouse in Oakland, California, on Thursday, marking a pivotal moment in a case that could redefine the governance of artificial intelligence. After weeks of testimony that peeled back the curtain on the internal friction at one of the world’s most influential technology companies, attorneys for both Musk and OpenAI delivered their closing arguments to a nine-person jury. The jury, comprised of six women and three men, is scheduled to begin deliberations on Monday morning. However, the final determination of liability rests with U.S. District Judge Yvonne Gonzalez Rogers, as the jury’s role in this phase is strictly advisory.
Before dismissing the jurors for the week, Judge Gonzalez Rogers provided formal instructions, emphasizing the gravity of their responsibility. She reminded the panel of their oath to decide the case based solely on the evidence presented in court, rather than external pressures or the public profiles of the litigants involved. This case, which pits the world’s wealthiest man against the leading figure in the generative AI revolution, has drawn international scrutiny due to its potential implications for the future of AI safety, corporate structure, and the ethics of transitioning from a nonprofit mission to a commercial powerhouse.
The Genesis of the Dispute: A Mission Transformed
The legal conflict traces its roots back to 2015, when Elon Musk, Sam Altman, and Greg Brockman co-founded OpenAI as a nonprofit research laboratory. The organization’s stated goal was to develop artificial general intelligence (AGI) that would benefit all of humanity, unencumbered by the pressure to generate shareholder returns. Musk, who provided significant early funding, alleges that he was induced to donate approximately $38 million under the premise that the company would remain a "nonprofit" dedicated to open-source technology.
The relationship began to sour in 2018 when Musk left OpenAI’s board, citing potential conflicts of interest with his work at Tesla. However, the true fracture occurred in 2019, when OpenAI created a "capped-profit" subsidiary to attract the massive amounts of capital required for computational power. This pivot paved the way for a multi-billion-dollar partnership with Microsoft, which Musk characterizes as a betrayal of the founding "charitable trust." By 2024, Musk filed his initial lawsuit, claiming that OpenAI had effectively become a "closed-source de facto subsidiary" of Microsoft, prioritizing profits over the safety and accessibility of AI technology.
Closing Arguments: Divergent Realities
During Thursday’s proceedings, the legal teams presented starkly different interpretations of the facts. Steven Molo, representing Elon Musk, argued that OpenAI’s leadership systematically dismantled the company’s original guardrails. Molo contended that the failure to open-source GPT-4—OpenAI’s most advanced model at the time—was a direct breach of the founding agreement. He further alleged that the transition to a for-profit structure allowed insiders, including Altman and Brockman, to enrich themselves at the expense of the original donors and the public interest.
"OpenAI was founded on a promise to the public, funded by Mr. Musk’s generosity," Molo told the jury. "That promise was traded for corporate greed and a cozy relationship with the world’s largest software company."
In response, OpenAI’s defense team, led by Sarah Eddy and William Savitt, sought to frame the lawsuit as an act of "competitive sabotage." They argued that there was never a formal, legally binding "Founding Agreement" that prohibited the organization from seeking the capital necessary to fulfill its mission. The defense highlighted that developing AGI requires billions of dollars in specialized hardware and electricity—resources that a traditional nonprofit could not secure through donations alone.
Eddy was particularly pointed in her assessment of Musk’s motivations, noting that the lawsuit was filed only after Musk launched his own competing AI venture, xAI. She suggested that Musk’s grievances were not rooted in altruism but in his desire to impede a rival he could no longer control. "He never cared about the nonprofit structure," Eddy asserted. "What he cared about was winning."
Microsoft’s Role and the "Aiding and Abetting" Charge
Microsoft, a named defendant in the suit, also had its day in court on Thursday. Attorney Russell Cohen, representing the tech giant, addressed allegations that Microsoft "aided and abetted" a breach of charitable trust. Musk’s legal team has argued that Microsoft was aware of OpenAI’s shift away from its nonprofit roots and capitalized on it to gain a dominant position in the AI market.
Cohen dismissed these claims as speculative, stating that Microsoft’s investments were transparent and conducted in good faith. He argued that Microsoft had no knowledge of any purported secret agreements between the founders and that the partnership was a standard commercial arrangement intended to accelerate AI development. The outcome of this specific charge is of immense interest to the broader tech industry, as it touches on the liability of corporate investors in mission-driven startups.
A Chronology of the OpenAI Evolution
To understand the weight of the current trial, it is necessary to look at the timeline of OpenAI’s transformation:
- December 2015: OpenAI is founded as a nonprofit with a $1 billion commitment from various donors, including Musk, Peter Thiel, and Reid Hoffman.
- 2016–2017: The organization focuses on open-source research and reinforcement learning, releasing "OpenAI Gym."
- February 2018: Musk resigns from the board. Reports later suggest he attempted to take control of the company to counter Google’s DeepMind but was rebuffed by Altman and Brockman.
- March 2019: OpenAI announces a "capped-profit" model. The nonprofit remains the governing body, but a for-profit entity is created to take investments.
- July 2019: Microsoft invests its first $1 billion in OpenAI.
- November 2022: ChatGPT is released, sparking a global AI arms race and skyrocketing OpenAI’s internal valuation.
- January 2023: Microsoft extends its partnership with a multi-year, multi-billion dollar investment (reportedly $10 billion).
- November 2023: The OpenAI board briefly fires Sam Altman, citing a lack of "candid" communication. He is reinstated days later after an employee revolt and pressure from investors.
- February 2024: Musk files his lawsuit in San Francisco Superior Court (later moved to federal court).
- May 2026: The trial reaches the conclusion of its first phase in Oakland.
Financial Stakes and Requested Remedies
The financial implications of the trial are staggering. In early 2026, Musk’s legal team quantified the "wrongful gains" allegedly accrued by OpenAI and Microsoft at up to $134 billion. While Musk has stated that he does not seek the money for himself, he is asking the court to order that any "ill-gotten gains" be returned to the OpenAI nonprofit foundation or distributed to charitable causes.
Beyond the monetary figures, Musk is seeking structural changes that could fundamentally alter the AI industry. His requested remedies include:
- Leadership Removal: The ouster of Sam Altman and Greg Brockman from their executive and board positions.
- Unwinding Recapitalization: A reversal of the 2025 recapitalization event, which Musk claims further consolidated power and profit among a small group of stakeholders.
- Public Access: A court order requiring OpenAI to make its technology and research findings open to the public, consistent with its original mission.
The Judicial Context: Judge Yvonne Gonzalez Rogers
The choice of Judge Yvonne Gonzalez Rogers to oversee this case is significant. An appointee of President Barack Obama, she has a reputation for handling complex, high-stakes technology litigation with a firm hand. She famously presided over the Epic Games v. Apple antitrust trial, where she navigated intricate arguments about digital ecosystems and monopolistic practices.
Throughout the Musk v. Altman trial, Judge Gonzalez Rogers has maintained a disciplined courtroom environment. She has not hesitated to reprimand attorneys for aggressive tactics or procedural lapses. Conversely, she has cultivated a rapport with the jury, occasionally using humor and small gestures—such as providing chocolates—to alleviate the tension of the long proceedings. Her decision to use an advisory jury is viewed by legal experts as a strategic move to gauge public sentiment on matters of corporate ethics and "community judgment" before she issues a final, legally binding ruling.
Analysis: The Future of AI Governance
The verdict in this case will likely set a precedent for how "benefit corporations" and nonprofit-for-profit hybrids operate in the technology sector. If the court finds OpenAI liable, it could signal to other Silicon Valley startups that "mission drift" carries significant legal risks. It may also force a greater level of transparency regarding AI safety protocols and the definition of AGI.
Conversely, a victory for OpenAI and Microsoft would validate the "capped-profit" model as a legitimate vehicle for scaling capital-intensive technologies. It would reinforce the idea that founding documents and mission statements are often subordinate to the practical realities of commercial survival and technological advancement.
As the jury begins its deliberations on Monday, the second stage of the trial—the remedies phase—will run concurrently. This phase will involve more technical legal arguments regarding the feasibility of unwinding corporate structures or calculating damages. However, all eyes remain on the jury’s advisory verdict, which will serve as the first official indicator of whether the public believes OpenAI stayed true to its word or sold its soul to the highest bidder.
