JOR-Bench - OptiBench: leaderboard
Metric: Accuracy (%; OptiBench textbook optimization problems including nonlinear programs, Japanese translation with human post-editing; the model writes a standalone Python program in a fenced block, run with OR-Tools available (300-second and 32 GB limits), correct when the printed value matches the reference within 1e-6; higher is better). Source: arxiv.org. Saturation forecast: Around 2029. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Qwen 3 8B | 62 |
| 2 | Qwen 3 32B | 58.8 |
| 3 | GPT-OSS-120B | 46.4 |
| 4 | Qwen3-Swallow-32B-RL-v0.2 | 41.7 |
| 5 | Qwen3-Swallow-8B-RL-v0.2 | 31.7 |
| 6 | NVIDIA-Nemotron-Nano-9B-v2-Japanese | 4.1 |
Interactive version: theaggregate.ai/benchmark?slug=jor-bench-optibench · How It Works · Data refreshed daily, snapshot 2026-09-29.