Calibration
BrowseComp → APEX-Agents-AA
APEX-Agents-AA is estimated from BrowseComp with a Hill curve fitted on 11 models measured on both: y = 0.0575 + (1.2000 − 0.0575)·x^6.00 / (1.02956^6.00 + x^6.00), R² = 0.87, cross-validated error 4.6 pp. It is used for 24 estimates.
| Estimated model | BrowseComp | APEX-Agents-AA | Source |
|---|---|---|---|
| Agents-A1 | 75.5% | 21.1% | estimated ± 4.6 pp, high confidence |
| Agents-A1-4B | 66.8% | 13.7% | estimated ± 4.6 pp, high confidence |
| Claude Mythos 5 | 88.0% | 37.8% | estimated ± 4.6 pp, high confidence |
| DeepSeek V4 Flash 0731 | 73.2% | 18.8% | estimated ± 4.6 pp, high confidence |
| dots3-note Preview | 83.3% | 30.8% | estimated ± 4.6 pp, high confidence |
| GLM-4.7 | 52.0% | 7.6% | estimated ± 4.6 pp, medium confidence |
| GLM-5.1 | 68.0% | 14.5% | estimated ± 4.6 pp, high confidence |
| GPT-5.4 Pro | 89.3% | 39.9% | estimated ± 4.6 pp, high confidence |
| GPT-5.5 Pro | 90.1% | 41.2% | estimated ± 4.6 pp, high confidence |
| Inkling | 77.1% | 22.9% | estimated ± 4.6 pp, high confidence |
| Inkling-Small | 77.4% | 23.2% | estimated ± 4.6 pp, high confidence |
| Ling 3.0 Flash | 72.2% | 17.9% | estimated ± 4.6 pp, high confidence |
| LongCat-Flash-Lite-Sparse | 48.6% | 7.0% | estimated ± 4.6 pp, medium confidence |
| Nemotron 3.5 Lightning 30B A3B NVFP4 | 36.8% | 6.0% | estimated ± 4.6 pp, medium confidence |
| Nemotron 3 Ultra | 44.4% | 6.5% | estimated ± 4.6 pp, medium confidence |
| Ornith-1.5-35B-A3B | 67.6% | 14.2% | estimated ± 4.6 pp, high confidence |
| Ornith-1.5-397B | 86.6% | 35.6% | estimated ± 4.6 pp, high confidence |
| Ornith-1.5-9B | 56.4% | 8.8% | estimated ± 4.6 pp, medium confidence |
| Qwen3.5-122B-A10B | 63.8% | 11.9% | estimated ± 4.6 pp, high confidence |
| Qwen3.5-27B | 61.0% | 10.5% | estimated ± 4.6 pp, high confidence |
| Qwen3.5-35B-A3B | 61.0% | 10.5% | estimated ± 4.6 pp, high confidence |
| Qwen3.5 397B | 62.0% | 10.9% | estimated ± 4.6 pp, high confidence |
| Beam | 77.4% | 23.2% | estimated ± 4.6 pp, high confidence |
| Solar Pro 4 | 49.2% | 7.1% | estimated ± 4.6 pp, medium confidence |