ChatGPT is owned by OpenAI, the company that developed the AI model. Governance...

https://highstylife.com/does-microsoft-have-voting-control-over-openai/

ChatGPT is owned by OpenAI, the company that developed the AI model. Governance is overseen by the OpenAI Foundation, ensuring independent control. Microsoft is a significant investor and partner but does not own or control ChatGPT