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 has grown into one of the most successful partnerships in our industry.

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

Inside Microsoft’s earnings was a charge that caught analysts by surprise: a $4.1 billion hit on its investment in OpenAI. The figure was up 490% from a year earlier. It implies a more than $12 billio

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 roots and likely go public so it can finance CEO Sam Altman's ambitious plans to develop data centers and cutting-edge technology.

OpenAI has become a public benefit corporation, giving Microsoft a 27% stake and long-term access to research methods

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