Microsoft Chairman and Chief Executive Officer Satya Nadella (L), speaks with OpenAI Chief Executive Officer Sam Altman, who joined by video during the Microsoft Build 2025, conference in Seattle, Washington on May 19, 2025. Jason Redmond | AFP | Getty ImagesOpenAI on Thursday said its nonprofit parent will continue to have oversight over the company and will own an equity stake of more than $100 billion.The artificial intelligence startup, recently valued at $500 billion, said this structure wi...