For three years, Microsoft’s AI identity was basically a pronoun for OpenAI. The company poured more than $13 billion into Sam Altman’s outfit, got early access to the most capable models on the planet, and rode that advantage to hundreds of billions in added market cap.

Now Microsoft has rewritten the terms of that relationship. A series of contract amendments beginning in October 2025 have given the company something it didn’t previously have: the right to build frontier AI systems on its own, without OpenAI’s blessing or involvement. Mustafa Suleyman, who took over as CEO of Microsoft AI in March 2024, has been the architect of this pivot.

The deal that changed everything

The restructured agreement, confirmed at Microsoft Build 2026 in June 2026, fundamentally alters that dynamic. The licensing arrangement is no longer exclusive. Revenue-sharing terms have been renegotiated. And critically, Microsoft now has contractual freedom to develop its own superintelligence-class systems using proprietary research, data, and custom silicon.

Suleyman has described the renegotiation as “liberating” for Microsoft. The partnership extends until at least 2032.