GPT-5.6 Terra (Max): benchmark results
GPT-5.6 Terra evaluated at the max reasoning-effort setting. Provider: OpenAI. Released 2026-07-09. Access: API.
Unified ELO 1727 ± 1, rank #56 of 1761 rated models, from 81 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| APEX v1 | 69.5 | Score (%) | 100 |
| Aikido CVE Rediscovery | 83.3 | Recall (%) | 100 |
| AA CritPt | 30 | Accuracy (%) | 98.7 |
| OTIS Mock AIME 2024-25 | 99.72 | Accuracy (%) | 97.4 |
| AA Terminal-Bench Hard | 57.58 | Accuracy (%) | 97.3 |
| Epoch AI - Critpt | 30 | Score | 97.3 |
| AA Long Context Reasoning | 83 | Accuracy (%) | 97 |
| Chess Puzzles (Epoch AI) | 54 | Accuracy (%) | 97 |
| AA-LCR | 79.67 | Accuracy (self-reported) | 96.1 |
| FrontierMath - Tiers 1-3 (v2) | 85.96 | Accuracy (%, 285 private v2 problems) | 96.1 |
| Artificial Analysis Intelligence Index | 46.77 | Intelligence Index | 95.3 |
| Vals AI SWE-bench Verified | 95.4 | Resolved (%) | 94.8 |
Interactive version: theaggregate.ai/model?slug=gpt-5-6-terra-max · How It Works · Data refreshed daily, snapshot 2026-09-05.