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

https://record-wiki.win/index.php/How_Can_Microsoft_Be_the_Primary_Cloud_Partner_Without_Owning_OpenAI%3F

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