Calibration
Artificial Analysis Intelligence Index → MMLU-Pro
MMLU-Pro is estimated from Artificial Analysis Intelligence Index with a Hill curve fitted on 36 models measured on both: y = 0.7154 + (0.8691 − 0.7154)·x^6.00 / (0.13703^6.00 + x^6.00), R² = 0.67, cross-validated error 4.5 pp. It is used for 2 estimates.
| Estimated model | Artificial Analysis Intelligence Index | MMLU-Pro | Source |
|---|---|---|---|
| Claude 4.1 Opus | 18.6% | 84.8% | estimated ± 4.5 pp, high confidence |
| GPT-4 Turbo | 7.0% | 71.8% | estimated ± 4.5 pp, high confidence |