OpenAI established a for-profit arm valued at $500 billion Tuesday, doing so through a long-anticipated corporate restructure that provides Microsoft with a large stake in the new company as it looks ...

OpenAI on Tuesday said it had completed its recapitalization, splitting the AI lab into a for-profit corporation nested inside a non-profit foundation. It’s the end result of a complex legal process ...

OpenAI announced Thursday it reached a nonbinding agreement with Microsoft, its largest investor, on a revised partnership that would allow the startup to convert its for-profit arm into a public ...