benchgap
Calibration

ApprenticeBench → AA Harvey LAB

AA Harvey LAB is estimated from ApprenticeBench with a offset logistic curve fitted on 5 models measured on both: y = 0.0000 + (0.9368 − 0.0000) / (1 + exp(−200.00·(x − 0.1429))), R² = 0.83, cross-validated error 2.0 pp. It is used for 2 estimates.

Estimated modelApprenticeBenchAA Harvey LABSource
Claude Opus 4.65.0%0.0%estimated ± 2.0 pp, low confidence
GPT-5.411.0%0.1%estimated ± 2.0 pp, low confidence