AJ-Bench (LLM-as-a-Judge) - Excel: leaderboard

Metric: F1 (%) on Excel GUI tasks (OSWorld; 19 tasks, 38 trajectories), averaged over three runs, with the judge reading the trajectory only (no tools or environment access), of AJ-Bench, judging whether agent trajectories succeeded against binary human-verified labels (155 tasks, 516 trajectories), default model configurations; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 13 models tracked.

Top models

#ModelScore
1Claude Opus 4.575.77
2Grok 475.52
3Gemini 3 Pro (Preview)74.28
4GLM-4.672.49
5Claude Sonnet 4.571.24
6DeepSeek V3.270.12
7Gemini 2.5 Pro66.67
8GPT-5 Mini (Low)64.36
9Kimi K2 090563.9
10GPT-561.78
11GPT-5.160.33
12LongCat-Flash-Chat55.88
13Qwen 3 235B A22B53.97

Interactive version: theaggregate.ai/benchmark?slug=aj-bench-llm-as-a-judge-excel · How It Works · Data refreshed daily, snapshot 2026-10-07.