International Companies

Microsoft agrees sweeping restructure of OpenAI partnership

By Josh White

Date: Tuesday 28 Oct 2025

(Sharecast News) - Microsoft and OpenAI announced the signing of a sweeping new agreement marking the next phase of their six-year partnership on Tuesday, as the ChatGPT developer completes a long-anticipated restructuring into a public benefit corporation.
The deal formalised Microsoft's roughly 27% stake in OpenAI, valued at about $135bn, and...

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