ChatGPT is owned by OpenAI, the company that developed and maintains the AI....

https://www.deltabookmarks.win/chatgpt-is-owned-by-openai-with-the-openai-foundation-overseeing-its

ChatGPT is owned by OpenAI, the company that developed and maintains the AI. The OpenAI Foundation oversees the governance to ensure responsible use. While Microsoft is a significant investor and partner, it does not own ChatGPT or control OpenAI