VEX-Bench - Justification Accuracy: leaderboard

VEX-Bench: whether the agent's justification category for its exploitability verdict is right; accuracy, mean of three runs. Higher is better. Source: arxiv.org/abs/2609.08040.

Metric: Accuracy (%). Source: arxiv.org. Saturation forecast: Around February 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.578.2#33
2Claude Opus 4.676.4#67
3DeepSeek V4 Pro76#112
4GLM-5.174.7#109
5Kimi K2.672.9#113
6Claude Sonnet 4.667.1#94
7GPT-5.4 Mini66.7#228
8MiniMax-M2.759.1#270
9DeepSeek V4 Flash58.7#155

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=vex-bench-justification-accuracy · How It Works · Data refreshed daily, snapshot 2026-11-05.