ChatGPT is owned by OpenAI, the company behind its development. Governance...

https://oliviasinsightfulthoughts.novacrestiq.com/posts/does-microsoft-own-chatgpt-or-is-that-a-myth

ChatGPT is owned by OpenAI, the company behind its development. Governance oversight falls to the OpenAI Foundation, which guides the organization’s mission and policies. While Microsoft stands as a major investor, it does not own or control ChatGPT