The final full day of testimony in the Elon Musk Open AI trial is happening today.

Our Kate Rooney has details in today's tech check. Morning again, Kate.

Hey, Carl. Yeah, the jury is going to be hearing from a couple more witnesses today from the defense team

and then closing arguments are going to kick off. It does cap off three weeks of Silicon Valley drama that we've heard in this Elon Musk versus Open AI case. CEO,

Sam Altman did take the stand yesterday and he had a lot to respond to after multiple witnesses

testified really about his character and accused him of lying on the stand. So Altman's narrative

when he took the stand centered on Elon Musk's attempts throughout the years to control open AI. He testified

that Musk at times wanted a 90% stake in what started as a startup and a nonprofit and merging

with Tesla, according to Altman, came up multiple times. He also said that Musk thought the

AI lab would fail. He put a zero chance, a 0% chance, I should say, of them succeeding. Musk then left the board

and went off to start an AI effort within Tesla. And then according to Altman, he abandoned Open

AI, quote, we were left for dead, as he put it, says the lawsuit is now a jealous attempt to, quote,

try to beat us down while he is building a competitor over at XAI, which is now

part of SpaceX. Musk, the backdrop here, he is suing Open AI and Sam Altman over that move away

from a nonprofit structure as Open AI started. He also accuses Altman of, quote, stealing a charity

cross-examination yesterday really was the highlight. It was extremely tense.

Attorneys for Musk focused on Sam Altman's firing from the board and had him respond to

those witnesses who said he had a pattern of line. Altman on the stand denied that his personal

investments were also a big focus and came under fire. He has said in the past that he had no

equity stake in opening eye, but yesterday past that he had no equity stake in

Open AI, but yesterday clarified that he does actually have exposure through a venture firm

as startup incubator Ycommodator. The value of his stake we found out in companies doing business

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