GPT-5.6 Terra (Medium) — benchmark results
GPT-5.6 Terra evaluated at the medium reasoning-effort setting. Provider: OpenAI. Released 2026-07-09. Access: API.
Unified ELO 1907 ± 28, rank #59 of 1776 rated models, from 42 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AA Omniscience - Software Engineering (SWE) - HTML | 78 | Accuracy (%) | 96.2 |
| AA Omniscience - Software Engineering (SWE) - Go | 72 | Accuracy (%) | 95.9 |
| AA Omniscience - Software Engineering (SWE) - Swift | 80 | Accuracy (%) | 95.9 |
| AA Omniscience - Software Engineering (SWE) - Python | 77.5 | Accuracy (%) | 95.6 |
| AA CritPt | 17.43 | Accuracy (%) | 95.4 |
| AA Omniscience - Software Engineering (SWE) - Julia | 64 | Accuracy (%) | 95.2 |
| Artificial Analysis Intelligence Index | 45.57 | Intelligence Index | 94.8 |
| AA Omniscience - Software Engineering (SWE) - Kotlin | 66 | Accuracy (%) | 94.6 |
| AA Omniscience - Software Engineering (SWE) - JavaScript | 74.55 | Accuracy (%) | 94.3 |
| AA Omniscience - Health | 40.7 | Accuracy (%) | 94.2 |
| AA Omniscience - Software Engineering (SWE) - TypeScript | 71.11 | Accuracy (%) | 93.6 |
| AA Omniscience - Software Engineering (SWE) | 68.2 | Accuracy (%) | 93.5 |
Interactive version: theaggregate.ai/model?slug=gpt-5-6-terra-medium · How the rankings work · Data refreshed daily, snapshot 2026-07-22.