
Last year, OpenAI launched ChatGPT-4o, one of its biggest and most important updates to the chatbot to date. Since then, the AI company has launched a variety of updates, and yet, a vocal group just wants to go back.
With #Keep4o trending on X, many ChatGPT users have been disappointed with the direction of the leading AI chatbot, believing that both ChatGPT-5 and the more recent ChatGPT-5.1 have been disappointing advances over the system.