Kimi K3 tops Agent Arena’s open-weight leaderboard for real-world agent tasks
arena · x · 2026-07-28
Agent Arena puts Kimi K3 at the top of open-weight models for agent tasks
Agent Arena’s leaderboard shows Kimi K3 (Max) ranking #1 among open-weight models and #1 overall on Confirmed Success. It also ranks #1 open / #4 overall on Praise vs. Complaint, #1 open / #5 overall on Steerability, and #1 open / #15 overall on Bash Recovery.
The post also highlights that Kimi K3 recorded 0 tool hallucinations in the leaderboard view. The leaderboard evaluates models on real-world agentic tasks using signals such as tool reliability, task completion, and steerability.
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