As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a company backed by $852...

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

As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a company backed by $852 billion in post-money valuation. The product itself is managed by OpenAI’s leadership team and tech staff