Calibration
HealthBench (raw) → HealthBench Professional
HealthBench Professional is estimated from HealthBench (raw) with a Michaelis–Menten curve fitted on 7 models measured on both: y = 0.7831·x / (0.13514 + x), R² = 0.31, cross-validated error 3.6 pp. It is used for 0 estimates.