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How Elon Musk and Sam Altman went from besties to bitter rivals

CNBC · May 18, 2026, 5:00 AM · Also reported by 4 other sources

In the 11 years since Elon Musk and Sam Altman helped start OpenAI, their once tight bond has unwound, leaving the two billionaires fighting it out in court.

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How Elon Musk and Sam Altman went from besties to bitter rivals

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