GPT-5.6 Terra (Low) — benchmark results
GPT-5.6 Terra evaluated at the low reasoning-effort setting. Provider: OpenAI. Released 2026-07-09. Access: API.
Unified ELO 1855 ± 26, rank #102 of 1776 rated models, from 42 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AA Omniscience - Software Engineering (SWE) - Julia | 72 | Accuracy (%) | 97.1 |
| AA Omniscience - Software Engineering (SWE) - Go | 72 | Accuracy (%) | 95.9 |
| AA Omniscience - Software Engineering (SWE) - Python | 77.5 | Accuracy (%) | 95.6 |
| AA Omniscience - Software Engineering (SWE) - JavaScript | 77.27 | Accuracy (%) | 95.5 |
| AA Omniscience - Software Engineering (SWE) - TypeScript | 74.44 | Accuracy (%) | 94.6 |
| AA Omniscience - Software Engineering (SWE) - Java | 54 | Accuracy (%) | 94.3 |
| AA Omniscience - Software Engineering (SWE) | 68.9 | Accuracy (%) | 94 |
| AA Omniscience - Software Engineering (SWE) - HTML | 74 | Accuracy (%) | 93.5 |
| Epoch AI - ECI | 158.36 | ECI Score | 93.4 |
| AA Omniscience - Software Engineering (SWE) - Kotlin | 64 | Accuracy (%) | 93.3 |
| AA Omniscience - Health | 39.7 | Accuracy (%) | 93.1 |
| AA Omniscience - Software Engineering (SWE) - Rust | 76 | Accuracy (%) | 91.7 |
Interactive version: theaggregate.ai/model?slug=gpt-5-6-terra-low · How the rankings work · Data refreshed daily, snapshot 2026-07-22.