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Microsoft and OpenAI did not stop at the “near new deal” reported in July 2025. They signed a non-binding memorandum of understanding in September, a definitive agreement in October, then amended the arrangement in April 2026. The outcome preserved Microsoft’s long-term rights to OpenAI models and products while giving OpenAI more freedom to work with other clouds and partners. The April amendment made Microsoft’s license non-exclusive.
The short version
The phrase “AGI doomsday clause” described a reported contractual risk: if OpenAI declared that it had achieved artificial general intelligence (AGI), Microsoft’s access to some future OpenAI technology could change. It was media shorthand, not the name of a literal apocalyptic clause, and the public record does not show that Microsoft was automatically set to lose all OpenAI access at once.
The agreements changed how that risk was handled. Under the October 2025 terms, an independent expert panel would verify an OpenAI AGI declaration, and Microsoft’s rights to OpenAI model and product intellectual property were extended through 2032, including post-AGI models subject to safety guardrails. The April 2026 amendment made that license non-exclusive and broadened OpenAI’s cloud flexibility. The detailed contract is not public, so the exact operation of every trigger and exception remains unknown.
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What the original July 2025 report said
On July 29, 2025, media coverage described Microsoft and OpenAI as being in advanced talks to rewrite their partnership and address the AGI-related provisions. The negotiations were also tied to OpenAI’s proposed corporate restructuring and its ability to raise capital. Reports floated a possible Microsoft stake in the low-to-mid-30% range; that was a negotiation estimate, not a final ownership term. The report did not establish that the companies had signed a deal or that OpenAI had reached AGI. (WinBuzzer’s July 2025 report.)
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What “AGI” meant in the dispute
AGI is not a universally agreed technical milestone with one accepted test. In the reported contractual framing, it was associated with the idea of a system that is highly autonomous and outperforms humans at most economically valuable work. That is a legal and governance threshold in this partnership, not simply a model’s score on a benchmark.
Reports also described a separate “sufficient AGI” route linked to a very large economic threshold—reportedly as much as $100 billion in profit—with Microsoft approval relevant to that pathway. Because the full contract is not public, treat that detail as reported rather than independently verified contract language. A model can be highly capable without meeting a contractual AGI trigger, and no public announcement cited here establishes that OpenAI has achieved AGI.
The stakes were commercial as well as technical. A trigger could affect licensing, research access, cloud commitments, revenue sharing, and corporate rights. Microsoft had reason to seek predictable access for Azure and Copilot products and to protect the value of its investment. OpenAI had reason to seek room to raise capital, attract employees, use other infrastructure providers, and develop products with third parties.
How the partnership terms evolved
| Date | What happened | Why it matters |
|---|---|---|
| July 29, 2025 | Media reports said the companies were in advanced negotiations. | A reported negotiation, not a signed agreement. |
| September 11, 2025 | The companies announced a non-binding memorandum of understanding (MOU) while they continued working on definitive terms. | An interim commitment, not the completed settlement. (Microsoft’s joint statement.) |
| October 28, 2025 | They announced a definitive agreement and OpenAI’s recapitalization into a public-benefit-corporation structure. | This set out the principal disclosed ownership, licensing, governance, and cloud terms. (Microsoft’s announcement.) |
| February 27, 2026 | The companies said the AGI definition and determination process were unchanged from the terms already announced. | A clarification under the then-current agreement, before the April amendment. (Joint statement.) |
| April 27, 2026 | The companies announced an amended agreement. | It made Microsoft’s license non-exclusive, gave OpenAI broader cloud-serving flexibility, and changed revenue-sharing terms. (Microsoft’s amendment announcement.) |
What Microsoft retained—and what OpenAI gained
The October agreement disclosed that Microsoft’s investment was valued at about $135 billion and represented roughly 27% of OpenAI Group PBC on an as-converted diluted basis. That figure describes Microsoft’s investment and approximate stake; it is not the total value of the transaction. OpenAI’s structure page lists the OpenAI Foundation at 26%, Microsoft at about 27%, and employees and investors at 47%. The Foundation retained control and the power to appoint the Group’s board, so Microsoft’s large economic interest should not be confused with governance control. (OpenAI’s structure page.)
The October terms also extended Microsoft’s model and product IP rights through 2032, including post-AGI models subject to safety guardrails. Its research-IP rights were described as lasting until expert-panel verification of AGI or through 2030, whichever came first. OpenAI committed to purchase an additional $250 billion of Azure services; Microsoft gave up its right of first refusal to be OpenAI’s compute provider. The companies also described more room for OpenAI to work with third parties and release qualifying open-weight models. These are distinct rights and commitments: ownership, research access, product licensing, and cloud supply are not interchangeable.
OpenAI’s recapitalization created OpenAI Group PBC, with the nonprofit OpenAI Foundation retaining control. The structure was intended to support a commercial organization while preserving nonprofit governance. The agreement allowed Microsoft to continue pursuing AGI on its own or with third parties, rather than making either company wholly dependent on the other’s research.
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What the April 2026 amendment changed
- More cloud flexibility for OpenAI: Microsoft remained OpenAI’s primary cloud partner, but OpenAI could serve products across other cloud providers. OpenAI products would continue to ship first on Azure unless Microsoft could not or chose not to support the required capabilities.
- A non-exclusive Microsoft license: Microsoft’s license to OpenAI model and product IP still runs through 2032, but is no longer exclusive.
- Changed revenue sharing: Microsoft stopped paying revenue share to OpenAI. OpenAI’s payments to Microsoft continued through 2030 at the same percentage, subject to a total cap.
- More room for separate work: The amendment preserved Microsoft’s position as a major shareholder while simplifying the partnership and allowing both companies to pursue independent opportunities.
That is why the settlement is better described as a rebalanced partnership than as a clean break. The original October terms kept Azure central and gave Microsoft broad rights; the amendment retained those ties but reduced exclusivity and increased OpenAI’s ability to use other infrastructure.
Was the AGI clause removed?
The public announcements do not establish that the clause was simply deleted. The October agreement introduced independent expert-panel verification of an OpenAI AGI declaration and extended Microsoft’s model and product rights through 2032, including post-AGI models with safety guardrails. In February 2026, the companies said the AGI definition and determination process remained unchanged. The April announcement focused on commercial and cloud terms and did not publicly announce a new AGI definition.
The practical change, based on the disclosed terms, is that the feared unilateral access cutoff became a more structured verification process alongside long-term Microsoft rights. But the panel’s membership, evidence standard, methodology, challenge process, and the full consequences of a determination have not been disclosed. Independent AGI verification should not be mistaken for comprehensive safety oversight.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What this means for customers and developers
For Microsoft customers, the agreements provide greater contractual continuity: Microsoft retains long-term rights to OpenAI models and products, and Azure remains an important part of the relationship. They do not guarantee that every future OpenAI model will be available in every Microsoft product, or that access, features, pricing, and availability will be identical across Azure, Microsoft products, and OpenAI’s own services.
For developers, OpenAI’s greater cloud flexibility creates more potential infrastructure options, but it does not mean every OpenAI API is suddenly available on every cloud. Product type, hosting, licensing, support, and distribution can differ. In February 2026, the companies described Azure as the exclusive cloud for stateless OpenAI APIs and said OpenAI’s first-party products continued to be hosted on Azure; the April amendment subsequently broadened OpenAI’s ability to serve products across clouds. Those statements describe different points in a changing agreement, not a blanket promise about every product or API.
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What remains uncertain
The public summaries do not reproduce the complete contract. They leave open how the expert panel is selected, what information it reviews, how disagreements are handled, and precisely how safety guardrails operate. Nor do they establish that AGI is imminent or achieved. The partnership has already moved from reported negotiations to an MOU, a definitive agreement, and an amendment in less than a year, so signed company disclosures and regulatory filings are more reliable than early anonymous-source estimates when assessing its present terms.
For finance-minded readers, the key distinction is between Microsoft’s economic stake and its contractual access: the roughly 27% interest is substantial, but the Foundation retains governance control; the license carries value, but is now non-exclusive; and Azure commitments do not make Microsoft OpenAI’s sole cloud provider. Each element affects the partnership differently.
The Bottom Line
Bottom line: Microsoft and OpenAI resolved the reported AGI-clause dispute through successive agreements, not a single July 2025 deal. Microsoft retained model and product rights through 2032 and a significant ownership stake, while OpenAI gained greater independence. The April 2026 amendment made Microsoft’s license non-exclusive and gave OpenAI broader cloud flexibility; the confidential contract means some AGI-trigger details remain unclear.
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