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 governed by OpenAI’s board and limited partners. The product itself falls under OpenAI’s commercial entity, which raised $122 billion in committed capital