In October 2025 OpenAI converted its for-profit arm into a public benefit corporation, OpenAI Group PBC, which its nonprofit foundation still controls; Microsoft holds about 27% of it.

What this evidence bears on

• Supports: OpenAI’s nonprofit foundation still controls the company, so its mission legally comes before investors’ returns.

  • A reason for “OpenAI”

• Supports: The restructuring turned OpenAI into a for-profit company in which Microsoft alone holds about 27%.

  • A reply in “OpenAI”