ChatGPT is owned by OpenAI, the company behind its development and deployment....

https://www.oscarbookmarks.win/as-of-aug-4-2026-chatgpt-is-owned-and-managed-by-openai-a-company-structured

ChatGPT is owned by OpenAI, the company behind its development and deployment. The OpenAI Foundation oversees ChatGPT’s governance to ensure responsible use. While Microsoft is a significant investor and partner, it does not own or control ChatGPT