User Complains GLM 5.3 Flash Overthinks Simple Prompts and Throws Errors
nahmanhuh · reddit · 2026-08-31
A user reported that the GLM 5.3 Flash model continuously "overthinks" even on the simplest prompts and ultimately throws an error instead of providing an answer.
The user noted that while newer models often use internal reasoning, this behavior feels excessive for a Flash model, which is supposed to prioritize speed and responsiveness. The user also questioned the relevance of current benchmarks, suggesting that while newer models may generate better code or information, they often overperform on basic tasks, sometimes performing worse than previous versions like 3.1 Pro.
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