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 ...

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 ...

On Monday, Microsoft Detection and Response Team (DART) researchers warned that an OpenAI API was being abused as a backdoor for malware. The researchers concluded that bad actors were using the novel ...

Microsoft has bought so many GPUs to feed the AI boom that it doesn’t have enough power, or finished data centers, to plug ...

Microsoft will still hold a stake of about $135 billion, or 27%, in OpenAI Group PBC, which will be controlled by ...

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

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

Altman recently revealed that the company's multi-billion-dollar partnership with Microsoft has been instrumental to its ...

Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel.