Agent Arena: Kimi K3 offers best value, Claude Opus 5 is priciest
arena · x · 2026-08-20
Agent Arena data reveals a 5x cost variance among top models: Kimi K3 (Max) ranks #4 with the lowest cost ($0.62/task), while Claude Opus 5 (Max) is the priciest ($3.37/task). Grok and Qwen deliver competitive performance at low costs. The evaluation covers millions of real-world agentic tasks.
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