The jury will get the spectacle. The judge will get the filings behind Musk’s $150 billion claim, and those documents could matter more to OpenAI’s structure than anything said on the stand.
OpenAI's trial with Elon Musk matters because a judge is being asked, in public, whether the company can keep the structure that turned a nonprofit lab into one of the most valuable private businesses in tech. If she decides that original bargain was broken, the fallout may not stop with courtroom embarrassment. It could reach OpenAI's path to the public markets.
Reuters reported that Musk is seeking $150 billion in damages and that U.S. District Judge Yvonne Gonzalez Rogers wants jurors to begin deliberating on liability by May 12. The more important fact is that the filings behind Musk's number are already public, and the judge, not the jury, will decide what happens if she thinks OpenAI crossed a legal line.
CNBC reported that Gonzalez Rogers split the case into two parts: a liability phase, where a jury gives an advisory view on whether OpenAI did anything wrong, and a remedies phase, where she decides what happens next. That structure makes this less a founder grudge match than a live audit of the legal bargain behind OpenAI's rise.
That is why the docket matters more than the daily play-by-play. The public file, available through CourtListener, holds the expert report, exhibits, emails, and board materials behind Musk's claim. If the $150 billion figure rests on aggressive assumptions about OpenAI's value, governance, or what Musk's roughly $38 million in early funding entitled him to, those assumptions could collapse under scrutiny. If they survive, the court has a factual basis to dig deeper into OpenAI's structure.
Some of the record is already colorful enough to drive cable coverage on its own. Reuters reported that a now-public filing includes a 2017 Greg Brockman diary entry saying, "This is the only chance we have to get out from Elon," which appears in the court exhibit itself. But that line proves less than the headlines suggest. It could describe founders escaping a domineering backer, or founders cutting out a co-founder after taking his money. The surrounding documents matter more than the quote.
The same is true of the early promises at the center of Musk's case. Reuters reported that Sam Altman, OpenAI's chief executive, appeared to tell Musk there were no financial strings attached to his 2015 support. If the court decides that promise defined the relationship, Musk gets a cleaner path to argue that OpenAI later broke it. If later emails or board actions changed the terms, OpenAI has more room to argue that Musk is retrofitting a contract onto an alliance that was always unstable.
The 2019 reorganization is where that argument becomes economically dangerous. OpenAI moved into a for-profit subsidiary so it could raise the capital needed to build and train large AI systems, then took billions from Microsoft, its largest outside backer. Musk says that shift betrayed the nonprofit mission he agreed to fund. OpenAI says Musk supported the idea, wanted more control, and sued only after losing that fight. The court still has to decide whether either story creates a remedy that can touch the present-day company.
Another pressure point is Shivon Zilis, a former OpenAI board member who is also the mother of four of Musk's children. Reuters reported that she is expected to be a key witness and that OpenAI argues she passed board information to Musk while he was building xAI, his rival AI company that is now folded into SpaceX. If that claim lands, the case becomes a test of board loyalty inside the most important AI company in the market. If it does not, it may read as spectacle layered onto an already messy founder dispute.
The courtroom details will still shape the public narrative. Reuters reported that Musk could take the stand this week, alongside expected testimony from Altman and Microsoft chief executive Satya Nadella. The Guardian reported that Altman attended jury selection while Musk did not. Those are easy facts to turn into a personality story. They are not yet the facts most likely to decide the remedy.
The unresolved pressure is whether the court treats Musk's damages theory as inflated theater or as a credible path into OpenAI's governance. If the judge thinks the filings justify reopening how OpenAI converted mission into equity and control, this becomes a corporate structure case with IPO consequences. If she does not, the testimony may end up being the loudest part of a lawsuit that changes less than either side wants.