OpenAI co-founder Greg Brockman concludes testimony in Musk-Altman trial

Summary

CNBC's Kate Rooney reports on the conclusion of Greg Brockman's testimony in the Musk-Altman trial. Key highlights include OpenAI's plan to spend $50 billion on compute this year and Brockman's $30 billion stake. The trial also covered Musk's leadership style and recruiting influence.

• Greg Brockman wrapped up his testimony in the Musk versus OpenAI trial.
• OpenAI plans to spend $50 billion on compute rest of this year.
• Brockman disclosed a roughly $30 billion stake in OpenAI.
• A personal journal kept by Brockman was key evidence in the trial.
• Musk's leadership style and recruiting impact were discussed.
• Next witness expected is Siobhan Zilliz, a close Musk associate.