benchgap
Calibration

ARC-AGI-1 → Vals MMLU-Pro

Vals MMLU-Pro is estimated from ARC-AGI-1 with a Michaelis–Menten curve fitted on 21 models measured on both: y = 1.0790·x / (0.19761 + x), R² = 0.76, cross-validated error 1.8 pp. It is used for 7 estimates.

Estimated modelARC-AGI-1Vals MMLU-ProSource
Claude Opus 4.5 Thinking80.0%86.5%estimated ± 1.8 pp, high confidence
Claude Opus 4.6 (Adaptive)93.0%89.0%estimated ± 1.8 pp, high confidence
Claude Sonnet 4.5 Thinking63.7%82.3%estimated ± 1.8 pp, high confidence
Gemini 3 Pro75.0%85.4%estimated ± 1.8 pp, high confidence
GPT-5.172.8%84.9%estimated ± 1.8 pp, high confidence
GPT-5.4 Pro94.5%89.2%estimated ± 1.8 pp, high confidence
GPT-5.5 Pro95.0%89.3%estimated ± 1.8 pp, high confidence