Another day of contentious exchanges as Elon Musk took the stand Thursday in the Musk v. Altman trial at Oakland's Federal Courthouse. Musk made his points that he felt OpenAI had betrayed the non-profit mission and the non-profit OpenAI Foundation is now secondary to the OpenAI for-profit arm it is supposed to be controlling.

Elon Musk on Thursday sparred with an attorney for OpenAI during his third day of testimony in the contentious trial over the company’s pivot from nonprofit status to a for-profit venture valued at hundreds of billions of dollars.

In his second day on the stand in the trial he launched against OpenAI, Elon Musk said the AI start-up he'd helped found had strayed from its charitable mission.

The world's richest person is claiming that OpenAI's leaders betrayed the public by abandoning the nonprofit mission meant to benefit humanity.

Elon Musk alleges that OpenAI reneged on a promise to operate as a nonprofit dedicated to human progress.

Elon Musk made repeated references to an AI "Terminator" scenario while testifying before a California federal jury about OpenAI's for-profit move.

Jared Birchall, Musk’s money manager, answered a question he wasn’t supposed to. It’s unclear what the consequences will be.

Elon Musk’s first compensation figure after Tesla Inc. shareholders approved his moonshot pay package is in, and it’s a doozy: $158 billion.