OpenAI·released 2026-04-23
Scored on 10 benchmarks, leading 4. 60% of its scores are independently reproduced — the rest are self-reported or unverified.
Leads on: Chess Puzzles, CritPt, FrontierMath-Tiers-1-3-v2-Private, OTIS Mock AIME 2024-2025
Every score, ranked, colored by evidence status.
| Benchmark | Score | Evidence status | Measured |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | 100accuracy (%) | reproduced· optimized | 2026-04-23 |
| ARC-AGI | 96.5accuracy (%) | unverified· optimized | 2026-04-23 |
| GPQA diamond | 91.9accuracy (%) | reproduced· optimized | 2026-04-23 |
| FrontierMath-Tiers-1-3-v2-Private | 87.72accuracy (%) | reproduced | 2026-04-23 |
| ARC-AGI-2 | 84.58accuracy (%) | unverified | 2026-04-23 |
| FrontierMath-Tier-4-v2-Private | 78.05accuracy (%) | reproduced | 2026-04-23 |
| SimpleBench | 72.28accuracy (%) | unverified | 2026-04-23 |
| SimpleQA Verified | 64.5accuracy (%) | reproduced | 2026-04-23 |
| Chess Puzzles | 64accuracy (%) | reproduced | 2026-04-23 |
| CritPt | 30.57accuracy (%) | unverified | 2026-04-23 |