O3 (High): benchmark results

O3 evaluated at the high reasoning-effort setting. Provider: OpenAI. Released 2025-04-16. Access: API.

Aggregate Rating 1699 ± 8, rank #359 of 2168 rated models, from 204 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
CharXiv-D95Score (%)100
CharXiv-R78.6Validation chart-visible reasoning accuracy (%)100
Ducky Bench (Saxo Frog)1449ELO100
EstGraph - Node Count, BA Large (MH Walk)13.08Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, BA Large (Simple Walk)25.47Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, BA Medium (MH Walk)9.63Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, BA Small (MH Walk)17.6Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, BA Small (Simple Walk)16.01Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, ER Large (MH Walk)3.41Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, ER Large (Simple Walk)5.57Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, ER Small (MH Walk)7.59Median relative error of the node-count estimate (%; 100 syn100
EstGraph - Node Count, ER Small (Simple Walk)9.59Median relative error of the node-count estimate (%; 100 syn100

Interactive version: theaggregate.ai/model?slug=o3-high · How It Works · Data refreshed daily, snapshot 2026-10-20.