OpenAI owns ChatGPT and oversees its development. The OpenAI Foundation manages...

https://city-wiki.win/index.php/Amazon_Invested_$50_Billion_in_OpenAI_%E2%80%94_So_Does_Amazon_Own_ChatGPT%3F

OpenAI owns ChatGPT and oversees its development. The OpenAI Foundation manages governance to ensure responsible use. Microsoft holds a significant investment in OpenAI but does not own ChatGPT