Calibration
MMLU-Pro → AA-Omniscience Accuracy
AA-Omniscience Accuracy is estimated from MMLU-Pro with a Hill curve fitted on 36 models measured on both: y = 0.0234 + (1.2000 − 0.0234)·x^6.00 / (1.07881^6.00 + x^6.00), R² = 0.37, cross-validated error 9.2 pp. It is used for 0 estimates.