Dev Reports GLM 5.3 Flash Performance Degradation on OpenRouter
skalskip92 · x · 2026-08-31
A developer re-evaluated Zhipu's GLM 5.3 Flash model via the OpenRouter API. The results were described as "pretty bad" across different thinking levels, with performance appearing even worse than previous evaluations. The developer suspects changes were made to the backend and plans to run another test.
Related event: Developers Test GLM 5.3 Flash Performance Dispute(3 posts)→
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