OpenAI owns ChatGPT, managing its development and deployment. The OpenAI...

https://atomic-wiki.win/index.php/Does_Filing_a_Confidential_S-1_Reveal_the_IPO_Valuation%3F

OpenAI owns ChatGPT, managing its development and deployment. The OpenAI Foundation oversees governance, ensuring ethical use and direction. Microsoft is a significant investor supporting OpenAI’s growth but does not own the company