benchgap
Calibration

CritPt → Vals GPQA Diamond

Vals GPQA Diamond is estimated from CritPt with a Hill curve fitted on 47 models measured on both: y = 0.6321 + (1.1431 − 0.6321)·x^0.20 / (0.07295^0.20 + x^0.20), R² = 0.60, cross-validated error 8.5 pp. It is used for 0 estimates.