Observed Signal · May 13, 2026 · Legal/Testimony · Source: CNBC Technology · Impact: 4/5 · Sentiment: Neutral
Microsoft Worried About Dependence on OpenAI
Testimony and discovery in the Musk v. Altman trial revealed that Microsoft CEO Satya Nadella worried as early as April 2022 that Microsoft could be supplanted by OpenAI. Nadella testified the company needed “real agency at every layer of the stack” after its early investments and infrastructure work with OpenAI. Court testimony disclosed Microsoft’s deep commercial exposure to OpenAI (about 45% of commercial remaining performance obligations at the end of 2025) and that Microsoft expects to have spent over $100 billion on OpenAI by June 2026, including investments and infrastructure. The companies have renegotiated their partnership multiple times; an April 2026 revision capped revenue-share payments and allowed OpenAI to serve products across other cloud providers such as Amazon and Google. Microsoft has since pursued its own models and partnerships (including Anthropic) while building out Azure infrastructure.
CEO testimony and discovery reveal strategic, financial and contractual exposure between a major cloud provider (Microsoft) and a leading foundation model provider (OpenAI). Changes to their deal, large infrastructure spending, and market positioning have material implications for cloud competition, AI infrastructure demand, and how platform partnerships shape the foundation model market.
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Key Takeaways & Evidence Grounding
- Discovery in Musk v. Altman showed Satya Nadella was worried OpenAI could supplant Microsoft; an April 2022 email said, “I don’t want to be IBM and OpenAI to be Microsoft.”
- Microsoft had about 45% of its commercial remaining performance obligations tied to OpenAI at the end of 2025.
- Michael Wetter testified Microsoft will have spent over $100 billion on OpenAI by June 2026 (including investments, infrastructure and hosting costs).
- Microsoft and OpenAI reworked their agreement in April 2026 to cap revenue-share payments and permit OpenAI to serve all products to customers across any provider, including Amazon and Google.
- Kevin Scott testified Microsoft built a supercomputer for OpenAI that assembled roughly 10,000 GPUs and occupied a large portion of a data center.
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Nadella: Microsoft Will 'Exploit' New OpenAI Deal
Microsoft CEO Satya Nadella said the company will capitalize on its revised partnership with OpenAI after the new agreement gives Microsoft retained access to OpenAI intellectual property and royalty-free use of advanced models through 2032. Nadella noted Microsoft still benefits financially via OpenAI’s large cloud-commitment purchases (cited as more than $250 billion) and its 27% equity stake. He downplayed concerns about OpenAI offering exclusive products on Amazon Web Services, pointing to Microsoft’s broad model selection and a $37 billion annual AI revenue run rate. Nadella made the remarks during Microsoft’s earnings commentary on April 29, 2026.
Microsoft CEO Nadella Testifies in Musk v. Altman Trial
Microsoft CEO Satya Nadella testified in the Musk v. Altman federal trial in Oakland, California on May 11, 2026. The lawsuit, brought by Elon Musk against OpenAI, its CEO Sam Altman and president Greg Brockman, alleges OpenAI violated its nonprofit charitable mission; Musk named Microsoft as a defendant, accusing the company of aiding and abetting the alleged breach of charitable trust. Testimony referenced Microsoft’s multibillion-dollar investments in OpenAI (more than $13 billion across 2019, 2021 and 2023), OpenAI’s recapitalization and Microsoft’s ~27% stake in OpenAI’s for‑profit unit. The article also notes prior testimony from Musk and a videotaped deposition from former OpenAI director Tasha McCauley discussing interactions with Nadella and the OpenAI board after Altman’s 2023 dismissal.
Satya Nadella on Microsoft–OpenAI Deal Control
A Tech Emails newsletter published internal messages and attachments from Microsoft and OpenAI executives that appeared in Musk v. Altman court filings. In a July 13, 2022 email, Satya Nadella argued Microsoft should “own” silicon, infrastructure, foundational-model IP and the know‑how in any deal with Open AI, warning Microsoft risked becoming a thin layer atop NVIDIA and Open AI and noting a projected ~$4 billion P&L loss. The archive also includes April 2022 and November 2023 exchanges between Sam Altman, Nadella, Kevin Scott and others about deal structure, embedding Microsoft personnel, IP rights, funding models, and possible OpenAI board compositions during Sam Altman’s November 2023 board crisis. The published collection is drawn from court documents and was posted to the Tech Emails newsletter on 2026-05-14.
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