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

https://telegra.ph/Why-a-26-Percent-Stake-Can-Still-Mean-Control-at-OpenAI-08-04

As of Aug 4, 2026, ChatGPT is developed and owned by OpenAI LP, a company governed by a board with investors and original founders. The latest funding round valued OpenAI LP at $852 billion post-money, with $122 billion in committed capital