Elon Musk failed to halt Sam Altman from restructuring OpenAI while he pursues claims that the startup has run afoul of antitrust laws, another blow for the world’s richest person after his $97.4 billion offer to take control of the rival artificial intelligence company was rebuffed.

Anthropic’s latest funding round has made the OpenAI rival one of the most valuable startups in the world. It’s also turned its founders into billionaires.

US federal judge Yvonne Gonzalez Rogers has denied Elon Musk's request for an injunction that would have immediately stopped OpenAI's conversion into a for-profit entity. Musk filed for an injunction late last year after suing OpenAI and Microsoft and accusing them of telling investors not to fund rival AI companies,