Microsoft and OpenAIEvery partnership between the two
Apr 27, 2026
Microsoft and OpenAI amend their agreementOpenAI and Microsoft announce an amended agreement that simplifies the partnership and sets long-term terms.
AllianceExpandedOct 28, 2025
Microsoft and OpenAI sign a new definitive agreementMicrosoft and OpenAI sign a new agreement that restates their long-term partnership as OpenAI changes its structure.
InvestmentExpanded
Questions
Are Microsoft and OpenAI partners?
Yes. Microsoft and OpenAI have announced 2 partnerships here, the first on Oct 28, 2025.
What is the latest Microsoft and OpenAI partnership?
Microsoft and OpenAI amend their agreement (Apr 27, 2026): OpenAI and Microsoft announce an amended agreement that simplifies the partnership and sets long-term terms.
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