GLM-5.3-Flash ranks #19 overall, #4 among open models on Agent Arena
arena · x · 2026-08-31
Agent Arena measures model performance on real-world, long-horizon agentic tasks using causal tracing; net improvement shows how much a model improves outcomes relative to the average model.
GLM-5.3-Flash ranks #19 overall with 4.6% net improvement (#4 among open models). By signal: Confirmed Success +15.3%, Praise vs. Complaint +4.9%, Steerability +2.4%, Bash Recovery -0.7%, with no tool hallucination issues observed.
Related event: Zhipu's GLM-5.3-Flash Ranks 19th on Agent Arena(3 posts)→
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