Did Elon Musk Really Start OpenAI? Unpacking the Truth

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Lisa Ernst · 01.05.2026 · Artificial Intelligence · 8 min

The courtroom in Oakland, California, is currently the stage for a dramatic real-world saga. It’s a conflict rooted in a shared vision for artificial intelligence, now fractured by money, control, and conflicting ambitions. As I observe the proceedings, it becomes clear that this isn't merely a legal dispute; it's a profound debate about the very soul of AI development and who gets to shape its future.

Quick Summary

The Genesis of OpenAI and its Mission

Elon Musk co-founded OpenAI in 2015 alongside Sam Altman and others as a non-profit organization focused on AI research. The story of their early collaboration and eventual divergence is detailed in The Secret History of Elon Musk, Sam Altman, and OpenAI. Initially, OpenAI aimed to develop artificial intelligence for the benefit of all humanity, operating under a non-profit structure to counteract the dominance of large corporations in the nascent AI field.

Musk himself invested $38 million into the organization during its early years, contributing to its charitable mission, as reported by Semafor. Both Musk and Altman shared a profound concern that AI could spiral out of control, a sentiment also documented by Semafor. Musk publicly warned about the risks of the technology in its early stages, describing AI as "dangerous" and "full of risks" in 2015, according to Semafor.

Elon Musk portrait. This is a close-up portrait of a man in a suit and tie, with a direct gaze.

Source: us.idyllic.app

Elon Musk, an early investor and co-founder, publicly warned about the inherent dangers and risks of AI technology as early as 2015.

The Divergence and Musk's Departure

By 2018, however, cracks began to show in OpenAI’s unified front. Musk left OpenAI’s board, citing a potential conflict of interest with Tesla’s developing AI efforts, a detail highlighted in Semafor’s reporting. Beyond this, internal conflicts intensified. Musk sought greater control over OpenAI and even proposed merging it with Tesla, but OpenAI rejected his terms, as further explained by Semafor.

OpenAI leadership argued that Musk had recognized the need for a for-profit structure as early as 2017 to fund the enormous development costs associated with advanced AI research, a claim supported by an OpenAI Newsroom tweet. OpenAI later published emails which they claim support the idea that Musk backed plans for a for-profit entity, visible in another tweet from OpenAI Newsroom. Musk expressed frustrations in emails from 2018, stating "OpenAI is on a secure path to failure compared to Google" and "Guys, I’ve had enough," according to the OpenAI Newsroom.

OpenAI is on a secure path to failure compared to Google
Elon Musk
Elon Musk
CEO of Tesla, SpaceX, xAI, X
Guys, I’ve had enough.
Elon Musk
Elon Musk
CEO of Tesla, SpaceX, xAI, X

OpenAI then transitioned into a for-profit subsidiary, OpenAI LP, to secure necessary funding for its ambitious projects, a move detailed by Semafor. Microsoft became a premier partner and investor starting in 2019, as also reported by Semafor.

The Legal Battle Unfolds

In 2024, Musk filed a lawsuit against OpenAI, alleging that the company, Sam Altman, and Microsoft betrayed its founding non-profit mission, information that can be found in a Semafor article. He claims that he was manipulated and deceived regarding OpenAI’s non-profit direction, as also stated by Semafor. OpenAI denies these accusations, labeling them as a "harassment campaign driven by ego, jealousy, and a desire to slow down a competitor," a statement made via OpenAI Newsroom on X.

harassment campaign driven by ego, jealousy, and a desire to slow down a competitor
OpenAI
OpenAI
Newsroom

This lawsuit follows OpenAI’s meteoric rise to global recognition with the 2022 launch of ChatGPT, which can be accessed at chatgpt.com.

ChatGPT logo. This image displays the white ChatGPT logo with text on a black background.

Source: pngimg.com

The launch of ChatGPT in 2022 propelled OpenAI to global recognition, significantly increasing its influence and reach in the AI landscape.

The trial itself began in April 2026 at the U.S. District Court for the Northern District of California in Oakland, presided over by Judge Yvonne Gonzalez Rogers, as reported by derStandard.at. The core of Musk’s argument centers on the idea that OpenAI’s shift to a for-profit model, particularly after Microsoft’s substantial investments and integrations, constitutes a breach of the initial agreement to develop open-source AI for public benefit, a point elaborated on by Semafor. OpenAI’s valuation has soared, with plans for a potential IPO, according to Semafor.

Musk had previously attempted to acquire OpenAI in 2025 for $97.4 billion, an offer which was rejected by the company, as announced by OpenAI Newsroom on X. His own AI company, xAI, founded in 2023, now directly competes with OpenAI’s offerings through its chatbot, Grok, as shown in the court listener document.

Grok chatbot interface. This image features a phone displaying the Grok app, with "Grok" prominently visible.

Source: pcmag.com

Elon Musk’s xAI company introduced its own chatbot, Grok, in 2023, positioning it as a direct competitor to OpenAI’s diverse offerings.

During the proceedings, Musk testified that he did not read the "fine print" regarding OpenAI’s transformation into a for-profit entity, and that he was reassured by Altman and others that OpenAI would remain a non-profit, as reported by The Verge. However, internal emails suggest Musk himself had previously sought a for-profit structure for OpenAI and even envisioned himself leading it and controlling its board, as indicated by OpenAI Newsroom on X. He also admitted he had used OpenAI to train his own xAI models, according to The Verge.

The legal strategy on Musk’s side has seen some adjustments. His claims have been significantly reduced, with fraud allegations withdrawn to streamline the case, as detailed in the court listener document. The judge also disallowed testimony about existential risks posed by AI, stating that the trial was not about the safety risks of artificial intelligence, a point highlighted by The Verge.

the trial was not about the safety risks of artificial intelligence
Judge Yvonne Gonzalez Rogers
Judge Yvonne Gonzalez Rogers
U.S. District Court for the Northern District of California

A judge dismissed one of the lawsuits filed by Musk and xAI on February 24, 2026, as reported by OpenAI Newsroom on X. OpenAI had also requested the court on February 2, 2026, to stop Musk’s alleged destruction of evidence, according to the same OpenAI Newsroom tweet. The court also rejected Musk’s attempt to access OpenAI’s proprietary source code on January 22, 2026, as also reported by OpenAI Newsroom.

Key Figures in the OpenAI vs. Musk Case

The trial features several high-profile individuals whose roles have been central to OpenAI’s journey and the current legal dispute.

Figure Role/Connection to OpenAI Significance in the Trial
Elon Musk Co-founder, early investor, former board member Plaintiff, alleging breach of contract and mission betrayal.
Sam Altman Co-founder, CEO of OpenAI Defendant, accused by Musk of manipulating the company's direction.
Greg Brockman Co-founder, President of OpenAI Defendant, central to early internal discussions and OpenAI’s evolution.
Satya Nadella CEO of Microsoft Witness, representing Microsoft’s significant investment and partnership with OpenAI.
Ilya Sutskever Co-founder, Chief Scientist of OpenAI Expected witness, key figure in OpenAI’s research and development.

Conclusion

The conflict between Elon Musk and OpenAI reflects a fundamental struggle over the direction and control of artificial intelligence. What began as a collaborative effort to develop AI for the common good has devolved into a bitter legal and public relations battle, underscoring the immense financial and intellectual stakes involved. The outcome of this trial will not only impact the two powerful entities but could also set precedents for the future governance and commercialization of AI. Regardless of the legal verdict, the underlying questions about who benefits from advanced AI and who controls its development will continue to shape the industry for years to come.

Frequently Asked Questions

When was OpenAI founded?

OpenAI was co-founded in 2015 by Elon Musk, Sam Altman, and others as a non-profit organization.

Why did Elon Musk leave OpenAI?

Musk left OpenAI’s board in 2018 due to disagreements over the company’s direction, his desire for more control, and a potential conflict of interest with Tesla’s AI development.

What is the main accusation in Musk’s lawsuit against OpenAI?

Musk alleges that OpenAI betrayed its original non-profit mission by transitioning to a for-profit model and forming a close alliance with Microsoft.

Has OpenAI always been a for-profit company?

No, OpenAI was initially established as a non-profit. It later created a for-profit subsidiary, OpenAI LP, to secure funding for its extensive AI research and development.

What is xAI?

xAI is Elon Musk’s own AI company, founded in 2023, which aims to compete with OpenAI’s offerings, including its chatbot Grok.

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