benchgap
Calibration

FrontierMath v2 (Tiers 1-3) → FrontierMath v2 (Tier 4)

FrontierMath v2 (Tier 4) is estimated from FrontierMath v2 (Tiers 1-3) with a Hill curve fitted on 44 models measured on both: y = 0.0117 + (0.8577 − 0.0117)·x^3.93 / (0.56533^3.93 + x^3.93), R² = 0.97, cross-validated error 4.5 pp. It is used for 7 estimates.

Estimated modelFrontierMath v2 (Tiers 1-3)FrontierMath v2 (Tier 4)Source
DeepSeek V31.7%1.2%estimated ± 4.5 pp, medium confidence
GPT-4.1 mini4.5%1.2%estimated ± 4.5 pp, high confidence
GPT-4.1 nano1.0%1.2%estimated ± 4.5 pp, medium confidence
GPT-4o0.3%1.2%estimated ± 4.5 pp, medium confidence
Llama 4 Maverick0.7%1.2%estimated ± 4.5 pp, medium confidence
Llama 4 Scout0.0%1.2%estimated ± 4.5 pp, medium confidence
o19.3%1.2%estimated ± 4.5 pp, high confidence