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

https://andressuniquechat.cloudhinter.com/posts/can-openai-change-its-governance-in-an-ipo

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