ChatGPT is owned by OpenAI, a research company focused on artificial...

https://weekly-wiki.win/index.php/Does_Microsoft_Own_ChatGPT_or_Is_That_a_Myth%3F

ChatGPT is owned by OpenAI, a research company focused on artificial intelligence. The OpenAI Foundation oversees its governance to ensure responsible development. While Microsoft is a significant investor and partner, it is not the parent company