TLDR
- Microsoft’s 27% stake in OpenAI is now valued at $135 billion under a new partnership agreement announced Tuesday
- The deal allows OpenAI to restructure as a public benefit corporation, potentially enabling a future IPO
- OpenAI committed to purchasing $250 billion worth of Azure cloud services from Microsoft
- Microsoft’s IP rights to OpenAI models extended through 2032, including post-AGI technology
- Both companies gain more flexibility, with OpenAI able to work with third parties and Microsoft able to pursue independent AGI development
Microsoft and OpenAI unveiled a restructured partnership agreement on Tuesday that values Microsoft’s ownership stake at $135 billion. The deal marks a transformation in the relationship between the tech giant and the artificial intelligence startup behind ChatGPT.
The new agreement gives Microsoft a 27% stake in OpenAI Group PBC on an as-converted diluted basis. This ownership spans all stakeholder groups, including employees, investors, and the OpenAI Foundation. Microsoft shares climbed 4% on news of the deal.
The restructuring allows OpenAI to convert into a public benefit corporation. This corporate structure change opens the door for OpenAI to potentially pursue a public stock listing. The companies spent months negotiating the terms of this updated partnership.
As part of the agreement, OpenAI pledged to purchase $250 billion in Azure cloud computing services from Microsoft. This represents a massive commitment to Microsoft’s cloud infrastructure platform. However, Microsoft surrendered its first refusal rights for providing compute services to OpenAI.
Intellectual Property Rights Extended to 2032
Microsoft’s access to OpenAI’s products and models will now continue through 2032. The original agreement set these rights to end in 2030 or upon achieving artificial general intelligence. The new terms alter this timeline.
The updated deal ensures Microsoft retains product and model rights through 2032 regardless of AGI developments. These rights will cover models created after AGI is reached, subject to safety protocols. An independent expert panel will validate any AGI achievement claims made by OpenAI.
Greater Flexibility for Both Companies
The revised partnership provides operational freedom for both organizations. OpenAI can now collaborate on product development with third-party partners without restrictions. The company also gained the ability to offer API access to U.S. government national security agencies using any cloud provider.
Microsoft received new capabilities under the arrangement. The company can now pursue AGI research and development independently or with alternative partners. This removes prior constraints that limited Microsoft to working exclusively with OpenAI on AGI projects.
Microsoft maintains its status as OpenAI’s exclusive frontier model partner. The partnership that launched in 2019 continues with adjusted terms reflecting both companies’ evolving requirements. The agreement balances exclusivity concerns while preserving the fundamental collaboration.
Azure Services Commitment
The $250 billion Azure services purchase represents one of the largest cloud computing commitments in the industry. This agreement ensures OpenAI will rely heavily on Microsoft’s cloud infrastructure for training and deploying AI models. The loss of first refusal rights gives OpenAI more vendor choice while maintaining a strong Microsoft relationship.
The $135 billion stake valuation demonstrates OpenAI’s tremendous growth since the partnership began. Both companies continue investing heavily in artificial intelligence development and commercial applications. The deal positions both organizations for the next phase of AI advancement.


