Zhipu's GLM-5.3-Flash Ranks 19th on Agent Arena

Zhipu AI's GLM-5.3-Flash has entered Agent Arena, ranking 19th overall and 4th among open-source models based on 9,000+ real agent sessions. With a median task cost of just $0.12 and a net improvement of 4.6%, it outperforms the Max version and reshapes the cost-performance Pareto frontier.

2026-08-31 ~ 2026-08-31 · 3 related posts

• GLM-5.3-Flash hits Agent Arena with $0.12 cost and improved performance — arena · 2026-08-31
• GLM-5.3-Flash hits Agent Arena: #19 overall, #4 open, $0.12 median cost per task — arena · 2026-08-31
• GLM-5.3-Flash ranks #19 overall, #4 among open models on Agent Arena — arena · 2026-08-31