As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a capped-profit company...

https://stateofseo.com/does-microsoft-own-chatgpt-or-just-invest-in-openai/

As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a capped-profit company created to develop and manage AI products. While OpenAI LP holds product ownership, governance is controlled by the OpenAI Nonprofit board, guiding long-term decisions