Calibration
Vals MMLU-Pro → AA-HLE
AA-HLE is estimated from Vals MMLU-Pro with a inverse Michaelis–Menten curve fitted on 46 models measured on both: y = 0.06551·(x − 0.0000) / (0.0000 + 1.0294 − x), R² = 0.51, cross-validated error 7.5 pp. It is used for 0 estimates.