That money grew OpenAI “so the defendants could do these things that they’re doing now, that they shouldn’t do.” Sam Altman, seated in the courtroom, looks confused by this.

Altman took the stand Tuesday during a high-stakes trial brought to court by Elon Musk.

Musk’s lawsuit accusing Altman and OpenAI of abandoning their mission as a non-profit has shed light on their workings at the artificial intelligence giant.