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

Metric: F1 (%) on Postgres data-system tasks (MCPMark; 18 tasks, 100 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)74.13
2DeepSeek V3.272.7
3GPT-5 Mini69.84
4GPT-5 Mini (High)67.92
5GPT-5 Mini (Low)67.3

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