13.11.2025 12:11

Microsoft and OpenAI Rework Partnership: Valuing Stake at $135 Billion and Defining AGI Terms

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Microsoft and OpenAI have announced a new, restructured agreement that redefines their strategic relationship, investment stake, and future development rights.

The new terms confirm Microsoft's stake in OpenAI is now valued at approximately $135 billion. After full conversion, this stake represents roughly 27% of the company, inclusive of all owners. This marks a notable dilution from the previous pre-funding round estimate of 32.5%.


Redefining Exclusivity and Autonomy

The new agreement grants both parties greater flexibility in their respective technological paths:

  • Microsoft's Autonomy: Microsoft is now permitted to independently develop AGI (Artificial General Intelligence), either on its own or with other partners, freeing it from the prior constraints of the OpenAI partnership.
  • OpenAI's Expanded Rights: OpenAI gains the right to collaborate with other companies on specific products, release open-weight models, and provide API access to the U.S. government through any cloud provider, not just Azure.

Crucially, Azure exclusivity is retained only for API products. Microsoft has also relinquished its right of first refusal to be the sole compute provider for OpenAI. Despite this shift, OpenAI has committed to purchasing an estimated $250 billion in Azure services — a massive order that will be fulfilled over an extended period.


The Critical AGI Declaration

The most significant element of the agreement involves the declaration of AGI. This moment is a critical trigger that fundamentally changes the rights and obligations of both parties.

  • Independent Review: The AGI declaration will now be verified by an independent expert committee, ensuring an unbiased assessment.
  • IP Rights Extension: Microsoft's intellectual property (IP) rights have been extended until 2032 and now explicitly cover models developed after the AGI declaration, though with specific restrictions regarding the compute used for models developed utilizing OpenAI's IP.

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A Comprehensive Agreement

Ultimately, the two giants have successfully reached a complex new accord, balancing Microsoft's massive investment with OpenAI's need for greater operational freedom and expanded market reach. The deal solidifies Microsoft's financial position while providing a clear (though still complex) roadmap for the future development and commercialization of AGI.

As the tech world digests the implications of this monumental agreement, one can't help but wonder: How do you like that, Elon Musk?


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