Elon Musk vs. Sam Altman: The Billion-Dollar AI Feud Over Power, Trust, and Billions in Donations

In May 2016, Elon Musk did something uncharacteristic—something he has spent years trying to undo. He made what he believed was a charitable donation. Yet Musk, the world’s richest man, is also one of its most frugal when it comes to philanthropy. His private foundation often distributes less than the minimum percentage required by law. Instead, Musk has argued that his companies are inherently philanthropic, as they develop technologies designed to “extend the light of consciousness.”

His $38 million donation to OpenAI over the next four years was far less than the $100 million he later claimed to have given—or the up to $1 billion he allegedly pledged behind the scenes. But it was critical capital at a pivotal moment, providing Sam Altman’s fledgling nonprofit with the resources to hire talent and establish itself in the artificial intelligence arms race.

From Allies to Adversaries: The Souring of a Partnership

Over time, Musk and Altman’s ambitions diverged. Their relationship deteriorated, culminating in Musk leaving OpenAI’s board, halting financial support, and launching a rival venture, xAI. By 2024, Musk filed a lawsuit against Altman and OpenAI, accusing them of abandoning their original mission and misusing his contributions. The case, set to go to trial this week in an Oakland federal court, is more than a legal dispute—it’s a battle over AI’s past and future.

Musk alleges that Altman and OpenAI president Greg Brockman “stole a charity” by transforming OpenAI into “a fully for-profit subsidiary of Microsoft.” He demands the company revert to the open-source nonprofit it was when he funded it. The defendants deny any breach of agreement, portraying Musk instead as a bitter rival who schemed to undermine them for his own gain.

The Trial’s Key Allegations

• Misuse of Funds: Musk claims his donations were diverted from OpenAI’s original nonprofit mission.
• For-Profit Shift: He accuses OpenAI of becoming a profit-driven entity under Microsoft’s influence.
• Broken Trust: The lawsuit highlights a fundamental breakdown in the relationship between Musk and OpenAI’s leadership.

The trial has already revealed a web of intrigue, including designer drugs, missing emails, high-profile appearances at Davos and Burning Man, and the recurring presence of Larry Summers. But at its core, Musk v. Altman is about power—who wields it, who deserves it, and how it shapes the future of technology.

The Roots of the Rivalry: Fear and Distrust in Silicon Valley

Musk and Altman’s partnership began with a shared fear: the unchecked influence of a single Silicon Valley titan. In 2015, Google and its DeepMind subsidiary dominated the race toward Artificial General Intelligence (AGI). Musk later recalled in a 2025 deposition that his concerns about Google’s dominance grew after a conversation with Google co-founder Larry Page during a late Obama-era visit to Page’s home.

Musk had asked Page what would happen to humanity when AGI was achieved. Page dismissed his concerns, calling him a “speciesist” and declaring that AI would be “our successors.” Musk’s unease deepened, fueling his determination to counterbalance Google’s power in the AI space.