Musk's lawsuit against OpenAI generates public spectacle but unclear impact on the company's fundraising or future control of AI

Elon Musk is suing OpenAI cofounders Sam Altman and Greg Brockman over whether their communications established a 'charitable trust' and whether they violated it by restructuring OpenAI so its non-profit board no longer had sole control over its for-profit arm. Musk also alleges unjust enrichment as OpenAI shifted from research-oriented lab to primarily commercial entity.

OpenAI held several successful funding rounds since Musk filed his suit, including an additional $122 billion fundraise at a $852 billion valuation that closed in March. An IPO still appears to be on the cards. Most legal analysts say Musk's case is weak and he is likely to lose.

Trial testimony revealed Musk admitted his AI company xAI trained its Grok model in part by 'distilling' (training a model on answers from another model) OpenAI's GPT models, which violates OpenAI's terms of service. Brockman acknowledged he never followed through on a pledge to donate $100,000 to OpenAI's non-profit but now has a stake in the for-profit company worth $30 billion.