Calibration
SWE-bench Pro → PostTrainBench v1.1
PostTrainBench v1.1 is estimated from SWE-bench Pro with a inverse Michaelis–Menten curve fitted on 9 models measured on both: y = 0.59838·(x − 0.0000) / (0.0000 + 2.0000 − x), R² = 0.75, cross-validated error 4.7 pp. It is used for 34 estimates.
| Estimated model | SWE-bench Pro | PostTrainBench v1.1 | Source |
|---|---|---|---|
| Atria Dawn Preview | 59.6% | 25.4% | estimated ± 4.7 pp, high confidence |
| Claude Mythos 5 | 80.3% | 40.1% | estimated ± 4.7 pp, high confidence |
| Claude Opus 4.5 | 57.1% | 23.9% | estimated ± 4.7 pp, medium confidence |
| Claude Opus 4.6 | 53.4% | 21.8% | estimated ± 4.7 pp, medium confidence |
| Claude Opus 4.7 (Adaptive) | 64.3% | 28.4% | estimated ± 4.7 pp, high confidence |
| dots3-note Preview | 61.0% | 26.3% | estimated ± 4.7 pp, high confidence |
| GLM-5 | 55.1% | 22.8% | estimated ± 4.7 pp, medium confidence |
| GPT-5.2 | 55.6% | 23.0% | estimated ± 4.7 pp, medium confidence |
| Granite 4.2 30B | 33.3% | 11.9% | estimated ± 4.7 pp, medium confidence |
| Granite 4.2 8B | 19.1% | 6.3% | estimated ± 4.7 pp, medium confidence |
| Hy4 preview | 65.7% | 29.3% | estimated ± 4.7 pp, high confidence |
| Kimi K2.5 | 50.7% | 20.3% | estimated ± 4.7 pp, medium confidence |
| Laguna S 2.1 | 59.4% | 25.3% | estimated ± 4.7 pp, high confidence |
| Laguna XS 2.1 | 47.6% | 18.7% | estimated ± 4.7 pp, medium confidence |
| LLaDA2.2-flash | 30.1% | 10.6% | estimated ± 4.7 pp, medium confidence |
| LongCat-Flash-Lite-Sparse | 40.6% | 15.3% | estimated ± 4.7 pp, medium confidence |
| MAI-Thinking-1 | 52.8% | 21.5% | estimated ± 4.7 pp, medium confidence |
| MiniCPM5-2B | 14.4% | 4.6% | estimated ± 4.7 pp, medium confidence |
| Muse Glimmer 30B | 51.2% | 20.6% | estimated ± 4.7 pp, medium confidence |
| Ornith-1.0-35B | 50.4% | 20.2% | estimated ± 4.7 pp, medium confidence |
| Ornith-1.0-397B | 62.2% | 27.0% | estimated ± 4.7 pp, high confidence |
| Ornith-1.0-9B | 42.9% | 16.3% | estimated ± 4.7 pp, medium confidence |
| Ornith-1.5-35B-A3B | 59.6% | 25.4% | estimated ± 4.7 pp, high confidence |
| Ornith-1.5-397B | 65.1% | 28.9% | estimated ± 4.7 pp, high confidence |
| Ornith-1.5-9B | 47.5% | 18.6% | estimated ± 4.7 pp, medium confidence |
| Qwen3.5 397B | 50.9% | 20.4% | estimated ± 4.7 pp, medium confidence |
| Qwen3.6-35B-A3B | 49.5% | 19.7% | estimated ± 4.7 pp, medium confidence |
| Qwen3.7 Plus | 57.6% | 24.2% | estimated ± 4.7 pp, medium confidence |
| Qwen3.8-Flash-Next | 62.5% | 27.2% | estimated ± 4.7 pp, high confidence |
| Qwen3.8-Omni-Flash | 63.3% | 27.7% | estimated ± 4.7 pp, high confidence |
| Beam | 65.5% | 29.1% | estimated ± 4.7 pp, high confidence |
| Sakana Fugu | 59.0% | 25.0% | estimated ± 4.7 pp, high confidence |
| Sakana Fugu-Ultra | 73.7% | 34.9% | estimated ± 4.7 pp, high confidence |
| Step 3.7 Flash | 56.3% | 23.4% | estimated ± 4.7 pp, medium confidence |