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

https://nova-wiki.win/index.php/Who_Sits_on_the_OpenAI_Foundation_Board%3F_An_Insider_Look_at_Governance_and_Ownership

ChatGPT is owned by OpenAI, the company behind its development. Governance is overseen by the OpenAI Foundation to guide its mission and policies. While Microsoft is a significant investor, it does not own or control ChatGPT