Messages presented at trial reveal how Zilis, the mother of four of Musk’s children, acted as an intermediary between him and OpenAI.

The judge also warned Musk and Sam Altman to curb their “propensity to use social media to make things worse outside the courtroom” after both sides traded attacks online.

Tensions flared on the third day of trial in Musk v. Altman as OpenAI’s lawyers cross-examined Musk.

While answering questions under oath, Musk argued it’s standard practice for AI labs to use their competitors’ models.

Elon Musk spent three days testifying as the first witness in his trial against OpenAI.

Messages presented at trial reveal how Zilis, the mother of four of Musk’s children, acted as an intermediary between him and OpenAI.