In a major expansion of its cloud partnerships, OpenAI signed a $38 billion deal with Amazon Web Services to train and run ...

Now, that all seems to have resolved itself in Microsoft's favor. On Tuesday, OpenAI said it completed its recapitalization ...

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

The deal removes a major constraint on raising capital for OpenAI, which was founded as a nonprofit AI safety group.

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

The software giant is giving longtime backer Microsoft a 27% ownership stake worth about $135 billion as part of the ...

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

Microsoft emerges as the winner with significant concessions that make its original OpenAI investment well worthwhile.

Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming ...

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

Learn more about whether or not OpenAI, the company behind ChatGPT, is publicly traded, which would allow people to invest.

The nonprofit arm, now called the OpenAI Foundation, will have a $130 billion stake in the for-profit enterprise.