Agent Arena🏆Overall

Dynamic ranking of models on how well they orchestrate tools for real-world agentic tasks, based on signals like tool reliability, task completion, and steerability.

Aug 24, 2026

1,998,757 sessions

52 models

Pareto Frontier

Net Improvement x Cost/task from real Agent Mode tasks

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Pareto Optimal Models

Net Improvement x Cost/task

Claude Opus 5 (High)

Anthropic · Proprietary

+12.73%

$2.53/task

Claude Fable 5 (High)

Anthropic · Proprietary

+11.62%

$2.26/task

GPT 5.6 Sol (xHigh)

OpenAI · Proprietary

+10.31%

$1.44/task

Kimi K3 (Max)

Moonshot · Kimi K3 license

+9.53%

$0.71/task

DeepSeek V4 Pro (High) (0813)

DeepSeek · MIT

+6.97%

$0.24/task

GPT 5.6 Luna (xHigh)

OpenAI · Proprietary

+3.83%

$0.06/task

Hy3

Tencent · Apache 2.0

-0.42%

$0.05/task

Mimo V2.5 Pro

Xiaomi · MIT

-2.79%

$0.05/task

Cost per Task

Median cost per task (last 14 days)

1Claude Opus 5 (High)$2.53/task+12.73%

2Claude Opus 5 (Max)$3.44/task+12.41%

3Claude Fable 5 (High)$2.26/task+11.62%

4GPT 5.6 Sol (xHigh)$1.44/task+10.31%

5Claude Opus 4.8 (High)$1.63/task+9.99%

6Kimi K3 (Max)$0.71/task+9.53%

7GPT 5.5 (xHigh)$1.11/task+8.56%

8Claude Sonnet 5 (High)$0.88/task+8.05%

9Claude Opus 4.7 (High)$1.21/task+7.27%

10Claude Opus 4.7$1.08/task+7.18%

11DeepSeek V4 Pro (High) (0813)$0.24/task+6.97%

12GPT 5.5 (High)$0.82/task+6.76%

13Qwen3.8 Max$0.42/task+6.46%

14Grok 4.5$0.25/task+6.38%

15GLM 5.2 (Max)$0.24/task+5.86%