ClosureBench - L1 Atomic: leaderboard
Metric: Accuracy (%; lenient scoring of one JSON answer per question; L1 atomic queries (one reasoning step, 550 instances); held-out split of 1,300 generated graph questions over graph sizes 4-10, temperature 0; direct mode: answer immediately). Source: arxiv.org. Saturation forecast: Estimated already saturated. 9 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | O3 | 96.4 |
| 2 | Gemini 2.5 Flash | 94.5 |
| 3 | Claude Sonnet 4 | 89.1 |
| 4 | GPT-4.1 | 59.8 |
| 5 | GPT-4.1 Mini | 58.2 |
| 6 | Qwen 3.5 9B | 52 |
| 7 | Qwen 3 4B | 47.8 |
| 8 | Qwen 3.5 2B | 40.2 |
| 9 | Qwen 2.5 1.5B Instruct | 35.1 |
Interactive version: theaggregate.ai/benchmark?slug=closurebench-l1-atomic · How It Works · Data refreshed daily, snapshot 2026-09-26.