GLM 5.3 Flash Achieves Lowest Hallucination Rate

SumitGup · x · 2026-08-29

Evaluations show GLM 5.3 Flash has the lowest hallucination rate among frontier models, with GPT 5.6 and Opus 5 hallucinating approximately 3x more often.

Related event: Zhipu's GLM-5.3 Flash Matches GPT-5.6 at 1/15 the Price(3 posts)→

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