Explore the most important public company relationships with OpenAI in 2026, including Microsoft, AMD, and NVIDIA.
| ticker | Company Name | Nature of relationship with OpenAI | Why it matters / evidence | Source |
|---|---|---|---|---|
| MSFT | Microsoft Corp. | Strategic partner, major investor, infrastructure/API partner, IP/commercial rights holder | Most material disclosed relationship in the set. Microsoft says it has a “long-term strategic partnership”, is a “major investor”, has made “total funding commitments of $13 billion”, has reciprocal revenue-sharing arrangements, holds rights to OpenAI’s intellectual property, including models and infrastructure, for integration into our products, and that “The OpenAI API is exclusive to Azure, runs on Azure” with a right of first refusal on OpenAI's new capacity needs. Microsoft also later said it “closed a new definitive agreement with OpenAI” and that it remains “one of the most successful partnerships and investments our industry has ever seen.” | 2025-07-30 10-K, Oct 29, 2025 Earnings Call, Apr 29, 2026 Earnings Call |
| AMD | Advanced Micro Devices Inc. | Core compute provider / multiyear GPU supply and co-engineering partner | One of the largest disclosed compute relationships. AMD disclosed a “comprehensive multiyear agreement with OpenAI to deploy 6 gigawatts of Instinct GPUs” with the first gigawatt starting in 2H26. AMD said the partnership “establishes AMD as a core compute provider for OpenAI” and involves work on future hardware, software, networking and system-level road maps. AMD also called OpenAI “a very significant relationship” and said the partnership gives “multiyear visibility into large-scale deployments.” | Nov 4, 2025 Earnings Call, 2026-02-03 10-K, May 5, 2026 Earnings Call |
| Cerebras Systems Inc | Massive inference compute vendor, engineering collaborator, financed by OpenAI | Arguably the biggest disclosed pure-play OpenAI customer/vendor relationship in the set. Cerebras says OpenAI signed an MRA to purchase 750MW of AI inference compute capacity plus related services, with an option for an additional 1.25GW. It also says OpenAI provided a ~$1.0 billion working capital loan. Another passage says the deal is “valued at more than $20 billion” and that OpenAI and Cerebras agreed to co-design future models for future Cerebras hardware. | Apr 17, 2026 S-1 |


