As of Aug 4, 2026, ChatGPT is owned and developed by OpenAI, a company...

https://juliet-wiki.win/index.php/Is_Microsoft_OpenAI%E2%80%99s_Parent_Company%3F_Understanding_the_Real_Relationship

As of Aug 4, 2026, ChatGPT is owned and developed by OpenAI, a company controlled by a mix of investors, employees, and nonprofit stakeholders