Since 2019, Microsoft and OpenAI have worked together to advance artificial intelligence responsibly and make its benefits broadly accessible. What began as a research partnership has grown into one of the most consequential collaborations in technology—grounded in mutual trust, deep technical integration, and a long‑term commitment to innovation.

As conversations around AI investments and partnerships grow and as OpenAI announces new funding and new partners as they did today, we want to ensure these announcements are understood within the existing construct of our partnership. Nothing about today’s announcements in any way changes the terms of the Microsoft and OpenAI relationship that have been previously shared in our joint blog in October 2025.

The partnership remains strong and central. Microsoft and OpenAI continue to work closely across research, engineering, and product development, building on years of deep collaboration and shared success.

Our IP relationship continues unchanged. Microsoft maintains its exclusive license and access to intellectual property across OpenAI models and products. Collaborations like the partnership between OpenAI and Amazon were always contemplated under our agreements and Microsoft is excited to see what they build together.

Our commercial and revenue share relationship remains unchanged. The ongoing revenue share arrangement remains unchanged and has always included sharing revenue from partnerships between OpenAI and other cloud providers.

Azure remains the exclusive cloud provider of stateless OpenAI APIs. Microsoft is the exclusive cloud provider for stateless APIs that provide access to OpenAI’s models and IP. These APIs can be purchased from Microsoft or directly from OpenAI.

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