OpenAI is bringing back GPT-4o in ChatGPT just one day after replacing it with GPT-5. In a post on X, OpenAI CEO Sam Altman confirmed that the company will let paid users switch to GPT-4o after ChatGPT users mourned its replacement. Some cut-and-dry corporate bs.”As part of GPT-5’s launch, OpenAI removed the model picker from ChatGPT. OpenAI later made GPT-5 the default model in ChatGPT, auto-directing users to one of various sub-flavors for different kinds of tasks. “For me, this model [GPT-4o] wasn’t just ‘better performance’ or ‘nicer replies,’” they write.