OpenAI restructures under new foundation, Microsoft takes 27 percent stake

OpenAI has finalized a major recapitalization, simplifying its corporate structure under the OpenAI Foundation, which now controls the OpenAI Group PBC with $130 billion in shares. This setup ensures profits from commercial activities fund its nonprofit mission, with the foundation investing $25 billion in health data and AI safety. Microsoft now holds approximately 27 percent of OpenAI, valued at $135 billion. The restructuring, influenced by attorneys general and internal tensions over safety versus growth, aims to balance commercial success with the company’s original mission of benefiting humanity, particularly after CEO Sam Altman's brief ouster and key researcher departures.

The AI company completes a major restructuring, with its nonprofit arm now controlling a Public Benefit Corporation. Microsoft secures a significant minority stake, redefining their financial partnership.

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OpenAI Restructures: Foundation Takes Control, Microsoft Gets Stake