Kimi K3 Max Tops Arena Leaderboard in Frontend Code and Agent Tasks
arena · x · 2026-07-28
In the latest Arena leaderboard update, Moonshot's Kimi K3 (Max) takes the #1 spot overall and among open-weight models.
- Frontend Code: Ranks #1 among open-weight models across all 7 domains. Overall, it secures #1 in 5 out of 7 domains, landing #2 only in Gaming and Content Creation Tools.
- Agent Arena: Takes the #1 spot with a +9.75% net-improvement, surpassing GLM-5.2 (Max) at +7.12%.
- Evaluation Methodology: Agent Arena measures models on real-world, long-horizon agentic tasks by giving them access to web search, filesystem, and terminal tools. It uses causal tracing methodology to measure the model's net improvement to outcomes.
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