User complaints about new GPT models' hallucinations and slowness

SweatyActuator2119 · reddit · 2026-08-26

A user on the 20x plan complains about severe hallucinations, scope drift, and extremely slow execution with new GPT models in agent tasks. They found older GLM models more controllable despite doing less work. The user is considering switching to Claude 20x or reverting to Ollama with GLM 5.2 and Kimi K3 for reliability.

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