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OpenAI trial opens, Musk testifies against Sam Altman

techApr 29, 2026661,128

Elon Musk testified in a federal trial in Oakland, California, accusing Sam Altman of betraying OpenAI's original nonprofit mission. A U.S. judge sharply reprimanded Musk for a wave of social media posts targeting Altman just hours before the trial opened. Musk said the dispute stems from leadership choices that shifted OpenAI toward commercial goals rather than its founding safety-focused remit. The roughly three-week trial will determine control and public accountability at one of the most influential AI developers and could shape how powerful AI is governed.

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