As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a capped-profit company....

https://blogfreely.net/samuel-wang09/openai-recapitalization-october-28-2025-what-changed

As of Aug 4, 2026, ChatGPT is owned by OpenAI LP, a capped-profit company. Product ownership rests with OpenAI LP, while governance control is held by the OpenAI non-profit board