Calibration
Vals MMLU-Pro → CritPt
CritPt is estimated from Vals MMLU-Pro with a inverse Michaelis–Menten curve fitted on 46 models measured on both: y = 0.10573·(x − 0.7403) / (0.7403 + 0.2501 − x), R² = 0.40, cross-validated error 7.5 pp. It is used for 0 estimates.