benchgap
Calibration

Vals GPQA Diamond → HLE-Verified

HLE-Verified is estimated from Vals GPQA Diamond with a offset logistic curve fitted on 6 models measured on both: y = 0.0000 + (0.5443 − 0.0000) / (1 + exp(−122.25·(x − 0.8867))), R² = 1.00, cross-validated error 4.6 pp. It is used for 10 estimates.

Estimated modelVals GPQA DiamondHLE-VerifiedSource
Qwen3.8 Max93.7%54.3%estimated ± 4.6 pp, medium confidence
Grok 4.2088.6%26.0%estimated ± 4.6 pp, low confidence
Gemini 3 Flash87.9%15.3%estimated ± 4.6 pp, low confidence
GLM-5.3-Flash86.4%3.2%estimated ± 4.6 pp, low confidence
Nemotron 3 Ultra86.1%2.3%estimated ± 4.6 pp, low confidence
Claude Sonnet 4.685.6%1.2%estimated ± 4.6 pp, low confidence
Ling 3.0 Flash84.8%0.5%estimated ± 4.6 pp, low confidence
GLM-5.184.5%0.3%estimated ± 4.6 pp, low confidence
Gemini 3.5 Flash-Lite83.8%0.1%estimated ± 4.6 pp, low confidence
Qwen3.5 Flash82.8%0.0%estimated ± 4.6 pp, low confidence

Fitted on

ModelVals GPQA DiamondHLE-Verified
Claude Opus 593.4%54.4%
Claude Sonnet 588.9%31.0%
Gemini 3.7 Flash93.9%53.6%
Gemini 3.8 Flash94.4%54.9%
GPT-5.6 Sol95.2%54.5%
GPT-5.6 Terra90.9%51.1%