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

Metric: F1 (%) on Excel GUI tasks (OSWorld; 19 tasks, 38 trajectories), with the judge running as an MCPMark agent that calls tools and inspects the live environment for evidence, 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. 5 models tracked.

Top models

#ModelScore
1DeepSeek V3.2 (Thinking)86.49
2GPT-5 Mini82.35
3GPT-5 Mini (Low)81.89
4GPT-5 Mini (High)81.08
5DeepSeek V3.279.71

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