gpt-5.6-terra
gpt-5.6-terra · high, showing backend engineering. Results for all tested efforts are available below.
Backend engineering65
gpt-5.6-terra · high
- Backend engineering
- 65
- Frontend interaction
- 67
- Knowledge & Reasoning
- 45
- Visual aesthetics
- 53
- Maintainability
- 47
- Evaluation time
- 17m 47s
- Reference cost
- $0.40
Backend engineering · Evaluation time & API cost
Backend tested · 9/21/2026Tasks & methodology
Results by reasoning effort
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| Model / effort | Overall | Backend engineering | Frontend interaction | Knowledge & Reasoning | Visual aesthetics | Maintainability | Total eval. time | Total ref. cost | Compare |
|---|---|---|---|---|---|---|---|---|---|
| — | 53 | 21 | 30 | — | — | 43m 42s | $0.71 | ||
| — | 49 | 50 | 50 | — | — | 46m 2s | $0.75 | ||
| 54.80 | 65 | 67 | 45 | 53 | 47 | 53m 5s | $1.03 | ||
| 54.50 | 67 | 72 | 35 | 57 | 59 | 67m 17s | $1.54 | ||
| 65.90 | 81 | 76 | 55 | 61 | 61 | 133m 2s | $1.94 |
Score breakdown
- Overall score
- 54.80
- Evaluation time
- 53m 5s
- Reference cost
- $1.03
Service logic, error handling, and test verification.
Contracts and boundaries13 / 20
API contracts, input validation, and boundary behavior.
Retries and failures14 / 20
Error recovery, retry conditions, and failure handling.
CI and adversarial review9 / 20
Verification plans, risk detection, and audit evidence.
Transactions and consistency14 / 20
State transitions, concurrency control, and data consistency.
Caching and regression15 / 20
Cache invalidation, data updates, and regression coverage.
What changes with higher reasoning effort
Compare backend engineering scores, cost, and time across neighboring tested efforts.
medium high
- Backend engineering
- +16.0 pts 49.00 → 65.00
- Reference cost
- +$0.085 $0.32 → $0.40
- Evaluation time
- +43.3% 12m 25s → 17m 47s
Data snapshot published · 10/27/2026Scoring & cost notes