MortarBench - Boolean: leaderboard

Metric: F1 (%; the 56 yes/no cases, equal to accuracy; mean of 3 trials over MortarBench's 188 synthetic mortgage files (47 real loan-officer questions x 4 mutated profiles, each a ULAD application plus a bank statement); Boolean answers score 1 or 0 and transaction or account lists get set-overlap F1; baseline agent without the authors' CRIT confidence filter, temperature 1 (GPT-5.5 at its fixed default)). Source: arxiv.org. Saturation forecast: Estimated already saturated. 7 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)97
2GPT-5.594.6
3DeepSeek V4 Pro89.3
4Kimi K2.666.1
5Qwen 3 32B42.3
6Claude Sonnet 4.636.3

Interactive version: theaggregate.ai/benchmark?slug=mortarbench-boolean · How It Works · Data refreshed daily, snapshot 2026-09-26.