Calibration
Vals MMLU-Pro → CritPt
CritPt is estimated from Vals MMLU-Pro with a inverse Michaelis–Menten curve fitted on 47 models measured on both: y = 0.10828·(x − 0.7386) / (0.7386 + 0.2545 − x), R² = 0.39, cross-validated error 7.5 pp. It is used for 0 estimates.