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

https://harperscoolthoughts.inkharbory.com/posts/does-openai-have-to-use-microsoft-azure-forever

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