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

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

As of Aug 4, 2026, ChatGPT is a product developed and owned by OpenAI LP, a company with a post-money valuation of $852 billion