Calibration
MMLU-Redux → AA-GPQA Diamond
AA-GPQA Diamond is estimated from MMLU-Redux with a Michaelis–Menten curve fitted on 7 models measured on both: y = 2.0000·x / (1.27309 + x), R² = 0.38, cross-validated error 7.8 pp. It is used for 0 estimates.