ChatGPT is developed and owned by OpenAI, a research organization focused on AI...

https://tiny-wiki.win/index.php/Is_ChatGPT_Its_Own_Company_with_Shareholders%3F

ChatGPT is developed and owned by OpenAI, a research organization focused on AI technology. The OpenAI Foundation oversees its governance to ensure responsible development. Microsoft holds a significant investment stake but does not own or control ChatGPT