OpenAI Restructures, Begins New Chapter in Microsoft Partnership

OpenAI has undergone a significant restructuring and simultaneously entered into a new definitive partnership agreement with Microsoft.

This reorganization is designed to strengthen the nonprofit's governance over its for-profit arm and establish the newly christened OpenAI Foundation as a major global philanthropic force. This entity holds an equity stake in the commercial business, valued at roughly $130 billion.

According to OpenAI, this new structure "maintains the industry’s strongest representation of mission-focused governance." It effectively channels the company's commercial success into direct funding for its original, non-profit objectives.

The for-profit entity is now organized as a public benefit corporation named OpenAI Group PBC, legally obligated to its founding mission. As the PBC grows in value, so does the Foundation's $130 billion stake. These funds will be used to back an initial $25 billion commitment focused on global health and AI resilience initiatives.

Finalizing this restructure followed nearly a year of "constructive dialogue" with the offices of the Attorneys General of California and Delaware. OpenAI acknowledged implementing "several changes as a result of those discussions," stating its belief that the company—and consequently the public it serves—is better for it.

Parallel to this new corporate structure is a redefined partnership with Microsoft. The tech giant's investment is now valued at $135 billion, securing a 27 percent stake in the OpenAI Group PBC. This represents a slight dilution from its previous 32.5 percent ownership due to new funding rounds. The agreement maintains Microsoft's core position as the exclusive Azure API provider for OpenAI's frontier models, but this exclusivity lasts only until Artificial General Intelligence (AGI) is achieved.

The new terms introduce a critical governance check. Any declaration of AGI by OpenAI must now be verified by an independent panel of experts. This external validation marks a major update to the partnership's oversight framework. Microsoft's intellectual property rights are also extended through 2032 and now include models developed after AGI is declared, subject to appropriate safety measures.

Microsoft now has the freedom to independently pursue AGI development, either alone or with other partners. This creates a distinct path separate from its reliance on OpenAI's research. Should Microsoft use OpenAI's IP to advance towards AGI before an official declaration, any resulting models would be subject to compute thresholds far exceeding today's most powerful systems.

This increased flexibility, however, is mutual. OpenAI has secured new operational freedoms. While committing to purchase an additional $250 billion in Azure services, Microsoft no longer holds a right of first refusal as the company's compute provider, granting OpenAI greater leverage in infrastructure negotiations.

OpenAI can now also release open-weight models that meet specific criteria and serve U.S. government national security customers on any cloud platform—a significant new capability. It also gains the ability to co-develop certain non-API products with third parties, though any API products developed with partners must remain on Azure. Notably, Microsoft's IP rights explicitly exclude any future consumer hardware developed by OpenAI.

The existing revenue share agreement remains in effect until the independent expert panel verifies AGI, though payments will be distributed over a longer timeframe. Both companies described this new chapter as a foundation for continued innovation. OpenAI concluded that the structure provides the capability to advance the AI frontier alongside an updated model to "ensure that progress serves everyone."

See also: OpenAI connects ChatGPT to enterprise data to surface knowledge

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