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

https://mike-wiki.win/index.php/Why_the_27_26_47_OpenAI_Split_Is_Not_Current_Anymore

As of Aug 4, 2026, ChatGPT is a product developed and owned by OpenAI LP, a limited partnership that holds the technology and operates the service. However, governance and major decision-making power rest with OpenAI’s board under its unique structure