Agent Arena — leaderboard
Metric: Net Improvement (%). Source: arena.ai. 38 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemma 4 31B | 14.51 |
| 2 | Nemotron 3 Ultra | 13.5 |
| 3 | Claude Fable 5 (High) | 12.72 |
| 4 | GPT-5.6 Sol (xHigh) | 10.12 |
| 5 | Claude Opus 4.8 (Thinking) | 9.75 |
| 6 | Kimi K3 | 9.71 |
| 7 | Claude Sonnet 5 (High) | 8.66 |
| 8 | Gemini 3 Flash | 8.65 |
| 9 | GPT-5.5 (xHigh) | 8.41 |
| 10 | Grok Build 0.1 | 8.01 |
| 11 | Claude Opus 4.7 (Thinking) | 7.94 |
| 12 | Claude Opus 4.7 | 7.67 |
| 13 | GPT-5.5 (High) | 7.61 |
| 14 | Gemini 3.5 Flash (Medium) | 6.8 |
| 15 | GLM-5.2 (Max) | 6.5 |
Interactive version: theaggregate.ai/benchmark?slug=agent-arena · How the rankings work · Data refreshed daily, snapshot 2026-07-22.