ChatGPT-5 shows lower hallucinations and confusion compared to GPT 4O and GPT 4 with about a 1.4 percent confusion rate versus 1.49 and 1.8 percent respectively. Other models like O3 Mini High Reasoning and GPT 4.5 Preview perform even better with 0.795 and 1.2 percent errors. Grok 4 has higher risk up to 4.8 percent. Users note ChatGPT 5 feels colder and shorter in replies. OpenAI plans to reintroduce older models with improvements including a thinking mode and smoother version switching.
ChatGPT-5 Surpasses Competition in Clarity with Fewer Mistakes
