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

https://technivorz.com/who-appoints-the-openai-group-pbc-board-explaining-governance-ownership-and-control/

As of Aug 4, 2026, ChatGPT is developed and owned by OpenAI LP, the company behind the product. However, governance control is held by the OpenAI Board and investors who have committed $122 billion to the organization