GPT-5.6 Terra
GPT-5.6 Terra has 5 tested configurations. Its highest published overall score is 70.5 at max. Inspect dimension scores, evaluation time, and cost below.
Overall score70.5
GPT-5.6 Terra · max
- Backend engineering
- 78
- Frontend interaction
- 76
- Knowledge & reasoning
- 55
- Evaluation time
- 133m 2s
- Cost
- $1.94
Complete evaluation · API cost
Results by reasoning effort
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| Model / effort | Overall | Backend engineering | Frontend interaction | Knowledge & reasoning | Total eval. time | Total ref. cost | Compare |
|---|---|---|---|---|---|---|---|
| 34.3 | 49 | 19 | 30 | 43m 42s | $0.71 | ||
| 46.9 | 46 | 45 | 50 | 46m 2s | $0.75 | ||
| 55.3 | 61 | 58 | 45 | 53m 5s | $1.03 | ||
| 55.7 | 62 | 68 | 35 | 67m 17s | $1.54 | ||
| 70.5 | 78 | 76 | 55 | 133m 2s | $1.94 |
Score breakdown
- Overall score
- 70.5
- Evaluation time
- 133m 2s
- Cost
- $1.94
Service logic, error handling and verification.
Contracts and boundaries17 / 20
API contracts, input validation and boundary behavior.
Retries and failures17 / 20
Recovery, retry conditions and failure handling.
CI and adversarial review12 / 20
Verification plans, risk detection and audit evidence.
Transactions and consistency17 / 20
State transitions, concurrency and consistency.
Caching and regression15 / 20
Invalidation, data updates and regression coverage.
What changes with higher reasoning effort
Compare overall scores, cost, and time across neighboring tested efforts.
xhigh max
- Overall
- +14.8 pts 55.7 → 70.5
- Cost
- +$0.40 $1.54 → $1.94
- Evaluation time
- +97.7% 67m 17s → 133m 2s
Data snapshot published · 11/13/2026Scoring & cost notes