OpenAI Accuses Musk of ‘Ambush’ as $100 Billion-Plus Trial Looms

April 11, 2026, 5:13 AM UTC

OpenAI says Elon Musk has suddenly changed direction on what he’s seeking in his lawsuit against the startup in a “legal ambush” just weeks before trial.

In a court filing late Friday night, OpenAI said the objectives Musk proposed earlier in the week appear to be aimed at “sandbagging the defendants and injecting chaos into the proceedings, while trying to recast his public narrative about his lawsuit.”

Musk sued OpenAI and Microsoft Corp. in 2024 over claims that the maker of ChatGPT abandoned its founding mission as a research institution when it took billions of dollars in backing from the ...

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