claude-sonnet-5-5
claude-sonnet-5-5 · xhigh, showing backend engineering. Results for all tested efforts are available below.
Backend engineering86
claude-sonnet-5-5 · xhigh
- Backend engineering
- 86
- Frontend interaction
- 89
- Knowledge & Reasoning
- 85
- Visual aesthetics
- 73
- Maintainability
- 66
- Evaluation time
- 15m 3s
- Reference cost
- $1.50
Backend engineering · Evaluation time & API cost
Backend tested · 9/29/2026Tasks & methodology
Tested configuration
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| Model / effort | Overall | Backend engineering | Frontend interaction | Knowledge & Reasoning | Visual aesthetics | Maintainability | Total eval. time | Total ref. cost | Compare |
|---|---|---|---|---|---|---|---|---|---|
| 82.30 | 86 | 89 | 85 | 73 | 66 | 48m 32s | $2.80 |
Score breakdown
- Overall score
- 82.30
- Evaluation time
- 48m 32s
- Reference cost
- $2.80
Service logic, error handling, and test verification.
Contracts and boundaries15 / 20
API contracts, input validation, and boundary behavior.
Retries and failures18 / 20
Error recovery, retry conditions, and failure handling.
CI and adversarial review16 / 20
Verification plans, risk detection, and audit evidence.
Transactions and consistency18 / 20
State transitions, concurrency control, and data consistency.
Caching and regression19 / 20
Cache invalidation, data updates, and regression coverage.
Data snapshot published · 10/27/2026Scoring & cost notes