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Elon Musk sues OpenAI, seeks reversal of Microsoft-linked for-profit shift.

4/26/2026

31 5 Full Breakdown

Summary

Story summary

Elon Musk asks a court to reverse OpenAI’s shift to a for-profit model, saying it made the firm a de-facto Microsoft subsidiary.
A California jury will hear Musk’s suit accusing Sam Altman and OpenAI of breaching their nonprofit agreement.
Court filings contain emails and a 2017 journal entry by Greg Brockman that note ousting Musk, question B-corp conversion, and name witnesses Shivon Zilis, Ilya Sutskever, Satya Nadella and Mira Murati.

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Story summary

Elon Musk asks a court to reverse OpenAI’s shift to a for-profit model, saying it made the firm a de-facto Microsoft subsidiary.
A California jury will hear Musk’s suit accusing Sam Altman and OpenAI of breaching their nonprofit agreement.
Court filings contain emails and a 2017 journal entry by Greg Brockman that note ousting Musk, question B-corp conversion, and name witnesses Shivon Zilis, Ilya Sutskever, Satya Nadella and Mira Murati.