During a Reddit ask-me-anything session on Friday, OpenAI CEO Sam Altman and key members of the GPT-5 team were peppered with questions about the new model and requests to bring back its previous model, GPT-4o.

They also asked Altman about the most embarrassing – and perhaps funniest – snafu in the presentation, the “chart crime.”

One of the new features that GPT-5 rolled out is a real-time router that decides which model to use for a particular prompt, either responding quickly or taking additional time to “think” through answers.

But multiple people in the AMA on the r/ChatGPT Reddit complained GPT-5 wasn’t working as well for them as 4o did. Altman said the reason GPT-5 seemed “dumber” was the router wasn’t working properly when it was rolled out Thursday.

“GPT-5 will seem sma

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