Topic · Company
OpenAI
OpenAI is the San Francisco company that makes ChatGPT, the GPT model family and the Codex coding agent. It began in 2015 as a nonprofit research lab and, after an October 2025 recapitalization, is now a public benefit corporation controlled by a nonprofit foundation, a structure that shapes debates about its mission and its investors.
- Headquarters / registered office
- 1455 Third Street, San Francisco, CA 94158 (OpenAI OpCo, LLC)
- Ownership (per OpenAI, at the Oct 2025 recapitalization)
- Foundation ~26%; Microsoft ~27%; employees and investors ~47%. Not updated by OpenAI for later rounds (e.g. Mar 31, 2026)
- ChatGPT launch
- November 30, 2022
- Codex (agent) launch
- Codex CLI April 16, 2025; Codex cloud agent May 16, 2025
- Current ChatGPT models (Oct 7, 2026)
- GPT-6 Sol (Plus, Pro, Business, Enterprise); GPT-6 Luna (Free, Go)
- Stargate announced
- January 21, 2025; $500B planned over four years (company plan)
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