Calibration
CursorBench 4.0 → FrontierCode 1.1 Extended
FrontierCode 1.1 Extended is estimated from CursorBench 4.0 with a Hill curve fitted on 7 models measured on both: y = 0.0000 + (0.6284 − 0.0000)·x^6.00 / (0.25784^6.00 + x^6.00), R² = 0.50, cross-validated error 3.0 pp. It is used for 2 estimates.
| Estimated model | CursorBench 4.0 | FrontierCode 1.1 Extended | Source |
|---|---|---|---|
| Grok 4.7 | 46.3% | 61.0% | estimated ± 3.0 pp, medium confidence |
| Muse Spark 1.3 | 41.6% | 59.5% | estimated ± 3.0 pp, medium confidence |