Microsoft made its first investment in Sam Altman's OpenAI in 2019. It now holds a 27% in OpenAI's for-profit business.

Microsoft and OpenAI announced a restructuring deal on Tuesday that frees the ChatGPT maker to move away from its nonprofit ...

Microsoft and OpenAI announced the long-awaited details of their new partnership agreement Tuesday morning — with concessions ...

Microsoft lifted a funding restriction on OpenAI that became a point of conflict after ChatGPT took off required more ...

OpenAI established a for-profit arm valued at $500 billion Tuesday, doing so through a long-anticipated corporate restructure ...

Microsoft and OpenAI on Tuesday said they had reached a deal to allow the ChatGPT maker to restructure itself into a public ...

Under the new pact, Microsoft will get a 27% ownership stake in OpenAI worth about $135 billion, the companies said in a ...

Mustafa Suleyman, the CEO of Microsoft AI, even described the new product in those terms in the announcement. “Copilot Mode ...