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OpenAI President Greg Brockman told a California court that Elon Musk backed turning the artificial intelligence company into a for profit enterprise, but only if he could command it, partly to secure funding for an $80 billion plan to build a city on Mars.
His remarks came during the second week of a high stakes trial that could reshape the future of the ChatGPT maker, which ignited global interest in generative AI after its late 2022 debut.
Brockman said the organization expects to spend about $50 billion on computing infrastructure in 2026, underscoring the vast capital demands tied to developing advanced models.
Musk, once an early supporter, alleges he was misled into contributing roughly $38 million to a nonprofit that later shifted focus, and is now seeking $150 billion in damages to be directed back to that entity.
He also wants Brockman and Chief Executive Sam Altman removed from leadership. Musk exited the board in 2018.
According to Brockman, Musk pushed in 2017 for structural changes, arguing nonprofit status limited fundraising. He said Musk insisted he should lead the company if it transitioned.
Altman was described as the only alternative candidate.
Brockman recounted a tense meeting where Musk argued his track record justified majority ownership, adding that such control would support his vision of a self sustaining Martian settlement.
He said Musk emphasized needing full authority and would personally decide when to relinquish it.
What began as a cordial discussion deteriorated after disagreements over equity terms. Brockman said Musk abruptly rejected proposals, grabbed a gifted painting and left, warning he could pause further funding.
Defense lawyers have suggested Brockman also stood to benefit financially.
He testified his stake is valued near $30 billion and acknowledged additional investments linked to Altman.
Documents presented include a 2017 note in which Brockman reflected on reaching billionaire status.
OpenAI later adopted a capped profit model in 2019, enabling outside investment. It has since raised over $100 billion and is reportedly considering a massive public offering.

