GLM 5.3 Flash keeps overthinking on the simplest prompts.
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Gemini model activity is surfacing — worth tracking for capability changes, ecosystem impact, and availability.
Users are reporting that GLM 5.3 Flash models are overthinking simple prompts, leading to excessive processing time and errors instead of direct answers. This behavior contradicts the expectation for Flash models to prioritize speed and responsiveness. Some users suggest that newer models, including Flash, may generate better quality code and information but struggle with basic tasks, with one user noting that newer Flash models performed worse than 3.1 pro. The issue makes prompting any Gemini model through the web a "nightmare."