Kimi K3.1 Pro costs $1.03 median per task but lands just off Agent Arena's Pareto frontier
arena · x · 2026-10-24
LMArena's Agent Arena leaderboard shows Kimi K3.1 Pro (Max) at a $1.03 median cost per task with a +7.81% score — cost-efficient but just off the Pareto frontier. The frontier spans Claude Opus 5.5 (Max, +20% at $5), GPT-6.1 Sol (Max), DeepSeek-V4.1-Flash, the GPT-6 Luna tiers and MiMo-V2.6 models, mapping the current capability-vs-cost landscape for agent tasks.
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