Microsoft and OpenAI sign a new definitive agreement
Investment and partnership · Announced Oct 28, 2025 · Expanded
Microsoft and OpenAI sign a new agreement that restates their long-term partnership as OpenAI changes its structure.
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About this partnership
- Announced
- Oct 28, 2025
- Status
- Expanded
- Scope
- Equity, model access and Azure
- Value
- Not stated