ChatGPT is owned by OpenAI, with the OpenAI Foundation overseeing its...

https://mega-wiki.win/index.php/Is_the_Amazon_Roughly_5%25_OpenAI_Stake_Confirmed_or_Just_Reported%3F

ChatGPT is owned by OpenAI, with the OpenAI Foundation overseeing its governance as of early 2024. Microsoft is a significant investor supporting its development but does not own or control ChatGPT