Calibration

HLE → GPQA Diamond

Name: benchgap: LLM benchmark scores, measured and estimated
Creator: benchgap

GPQA Diamond is estimated from HLE with a Michaelis–Menten + offset curve fitted on 35 models measured on both: y = 0.0000 + 0.9742·x / (0.03150 + x), R² = 0.77, cross-validated error 2.3 pp. It is used for 1 estimate.

Estimated model	HLE	GPQA Diamond	Source
Agents-A1	47.6%	91.4%	estimated ± 2.3 pp, high confidence