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AI research and deployment company founded as a nonprofit in 2015 and maker of ChatGPT, GPT-5 and GPT-6 Astra. Since October 2025 its for-profit arm, OpenAI Group PBC, is a public benefit corporation controlled by the nonprofit OpenAI Foundation, with Microsoft holding about 27 percent.

People here now

  • Ilya Sutskever

    Co-founder and chief scientist; board member until November 2023, 2015-present

    Co-author of AlexNet and sequence-to-sequence learning, OpenAI co-founder and chief scientist until 2024, a board member who voted to fire Sam Altman, and no...

  • Sam Altman

    Co-founder and CEO, 2015-present

    Co-founder and CEO of OpenAI, the company behind ChatGPT, and president of Y Combinator from 2014 to 2019; the executive most identified with the drive to bu...

Formerly here

  • Dario Amodei

    Vice President of Research, 2016-2020

    Physicist and neuroscientist who led GPT-2 and GPT-3 at OpenAI, co-founded Anthropic in 2021, and in September 2026 asked the industry to slow the frontier h...