Microsoft is a co-defendant in the case through its partnership with OpenAI.

The OpenAI cofounder testified during the third week of the trial, following OpenAI president Greg Brockman and Microsoft CEO Satya Nadella.

Elon Musk named Microsoft as a defendant in his lawsuit against OpenAI

Microsoft is a co-defendant in the case through its partnership with OpenAI.

OpenAI CEO Sam Altman took the witness stand Tuesday to defend his business record in a trial pitting him against Elon Musk, rebutting testimony that disparaged his leadership at…

Elon Musk is accusing OpenAI CEO Sam Altman and President Greg Brockman of trying to 'steal a charity.'

Altman is defending himself against Musk’s claims that he’s trying to enrich himself at the expense of OpenAI’s original nonprofit mission.

The OpenAI chief rejects claims he deceived Elon Musk as high-stakes AI trial nears its end

Nobody has more to lose in the high-profile trial than OpenAI chief Sam Altman, and he has finally taken to the stand.

The OpenAI CEO took the witness stand Tuesday to defend his business record in a trial that has invited further scrutiny of Altman’s leadership after testimony from former board…

Landmark trial could shape future and leadership of OpenAI as company prepares for possible initial public offering.

Sam Altman testified in trial that could determine the future of OpenAI, the company behind ChatGPT.

Altman testified in Elon Musk's case against him, OpenAI and Microsoft.

Sam Altman testifies in landmark OpenAI trial, says Musk wanted control of company - SiliconANGLE

OpenAI CEO Sam Altman testified that he felt Elon Musk "abandoned" his company and put them in "a very difficult place," as they both vied for control.

Sam Altman is accused by Tesla and SpaceX CEO Elon Musk of having diverted the OpenAI foundation away from a non-profit organization for personal gain. At the trial, he was forced…

He has testified that the company liked the idea of partnering with OpenAI in part because it would show how to build out Azure for AI frontier research. It’s pleasantly boring.

Top Microsoft executives testified in Musk v. Altman this week, spelling out concerns they had in the early days of the partnership with OpenAI.

A gag-gift trophy, an Elon Musk tantrum, and a Reid Hoffman name-drop figured prominently in the final day of testimony for Musk v Altman jurors.