Inside Microsoft’s earnings was a charge that caught analysts by surprise: a $4.1 billion hit on its investment in OpenAI.

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

In the new agreement, Microsoft gets a 27% stake in OpenAI's for-profit business, the OpenAI Group PBC, worth around $135 ...

Microsoft and OpenAI unveil a deal extending IP rights, adding independent AGI verification, and giving both sides more ...

Since 2019, Microsoft and OpenAI have shared a vision to advance artificial intelligence responsibly and make its benefits broadly accessible. What began as an investment in a research organization ...

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

OpenAI said it has reorganized its ownership structure and converted its business into a public benefit corporation.

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

Microsoft's (MSFT) 27% stake in OpenAI (OPAI.PVT) is currently valued at $135 billion, according to the two companies' latest ...