Calibration

SuperGPQA → GPQA Diamond

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

GPQA Diamond is estimated from SuperGPQA with a Michaelis–Menten + offset curve fitted on 7 models measured on both: y = 0.0000 + 1.8609·x / (0.82112 + x), R² = 0.87, cross-validated error 12.9 pp. It is used for 2 estimates.

Estimated model	SuperGPQA	GPQA Diamond	Source
Seed 2.1 Pro	70.8%	86.2%	estimated ± 12.9 pp, low confidence
Seed 2.1 Turbo	67.4%	83.9%	estimated ± 12.9 pp, low confidence