claude-opus-5
claude-opus-5 · xhigh, showing overall score. Results for all tested efforts are available below.
Overall score77.75
claude-opus-5 · xhigh
- Backend engineering
- 74
- Frontend interaction
- 87
- Knowledge & Reasoning
- 85
- Visual aesthetics
- 66
- Maintainability
- 59
- Evaluation time
- 80m 26s
- Reference cost
- $5.68
Complete evaluation · API reference cost
Backend tested · 9/10/2026Tasks & methodology
Results by reasoning effort
Swipe to see all results →
| Model / effort | Overall | Backend engineering | Frontend interaction | Knowledge & Reasoning | Visual aesthetics | Maintainability | Total eval. time | Total ref. cost | Compare |
|---|---|---|---|---|---|---|---|---|---|
| 76.95 | 68 | 85 | 90 | 61 | 57 | 66m 37s | $4.06 | ||
| 77.75 | 74 | 87 | 85 | 66 | 59 | 80m 26s | $5.68 | ||
| 81.70 | 70 | 87 | 95 | 73 | 61 | 92m 12s | $7.99 |
Score breakdown
- Overall score
- 77.75
- Evaluation time
- 80m 26s
- Reference cost
- $5.68
Service logic, error handling, and test verification.
Contracts and boundaries16 / 20
API contracts, input validation, and boundary behavior.
Retries and failures15 / 20
Error recovery, retry conditions, and failure handling.
CI and adversarial review12 / 20
Verification plans, risk detection, and audit evidence.
Transactions and consistency15 / 20
State transitions, concurrency control, and data consistency.
Caching and regression16 / 20
Cache invalidation, data updates, and regression coverage.
What changes with higher reasoning effort
Compare overall scores, cost, and time across neighboring tested efforts.
high xhigh
- Overall
- +0.8 pts 76.95 → 77.75
- Reference cost
- +$1.61 $4.06 → $5.68
- Evaluation time
- +20.7% 66m 37s → 80m 26s
Data snapshot published · 10/27/2026Scoring & cost notes