TLDR
- Microsoft (MSFT) fell 2% Monday after OpenAI amended its partnership agreement with the company
- The deal shifts from exclusive to non-exclusive, letting OpenAI license its technology to other partners
- Microsoft keeps its license to OpenAI models through 2032, but exclusivity is gone
- Revenue share payments from OpenAI to Microsoft will continue through 2030, but with a total cap added
- Amazon (AMZN) rose 1% on the news, likely as a beneficiary of OpenAI’s expanded cloud options
Microsoft dropped 2% on Monday after OpenAI announced a revised partnership that removes the exclusivity Microsoft previously held over OpenAI’s intellectual property.
Amazon gained 1% on the same news, as the change opens the door for OpenAI to work with other cloud providers, including AWS.
BREAKING: Microsoft stock, $MSFT, falls -5% after announcing that its OpenAI license will now be nonexclusive and it will no longer pay revenue share to OpenAI. pic.twitter.com/68TkxRwlL1
— The Kobeissi Letter (@KobeissiLetter) April 27, 2026
The two companies disclosed the updated terms in a joint announcement Monday morning. OpenAI published a blog post describing the change as a move toward “flexibility, certainty, and a focus on delivering the benefits of AI broadly.”
Under the original deal, Microsoft held exclusive rights to OpenAI’s technology. That exclusivity is now gone.
Microsoft will still hold a license to use OpenAI models and products, but that license runs non-exclusive through 2032. OpenAI is now free to license its technology to any other partner it chooses.
The revenue arrangement has also been restructured. Microsoft will no longer make revenue share payments to OpenAI. However, OpenAI will continue paying Microsoft a revenue share through 2030, at the same percentage as before, but subject to a new total cap.
Importantly, those payments will continue regardless of how OpenAI’s technology develops. The previous structure tied certain terms to OpenAI’s technical progress.
Cloud Exclusivity Ends
Microsoft remains OpenAI’s primary cloud partner under the new agreement. OpenAI products will still ship first on Azure, unless Microsoft cannot or chooses not to support the required capabilities.
But that first-mover advantage no longer comes with exclusivity. OpenAI can now serve its full product lineup to customers across any cloud provider it wants.
That is a meaningful shift. Previously, Microsoft’s Azure had a structural advantage baked into the deal. That structural advantage is now reduced.
What Stays the Same
Microsoft remains a major shareholder in OpenAI. That equity position is unchanged under the amended agreement.
The two companies also said they will continue working together on datacenter capacity, next-generation silicon, and AI applications for cybersecurity. The collaboration itself is not ending.
The framing from both sides was that the new structure gives each company more room to operate independently, while keeping the core relationship intact.
OpenAI’s blog post described the updated deal as a simplification. For Microsoft, the market’s 2% move down suggests investors see it as a step back from the preferred position it once held.
Amazon’s 1% gain on the same day points to how the market read the news — as a potential win for competing cloud providers who could now land OpenAI as a customer.
The amendment was announced Monday, April 27, 2026.
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