benchgap
Calibration

ApprenticeBench → BrowseComp

BrowseComp is estimated from ApprenticeBench with a Hill curve fitted on 10 models measured on both: y = 0.8313 + (0.9151 − 0.8313)·x^5.21 / (0.17712^5.21 + x^5.21), R² = 0.70, cross-validated error 2.8 pp. It is used for 2 estimates.

Estimated modelApprenticeBenchBrowseCompSource
Claude Fable 534.0%91.2%estimated ± 2.8 pp, high confidence
Grok 4.613.0%84.5%estimated ± 2.8 pp, high confidence