claude-opus-4-8
claude-opus-4-8 has 3 tested configurations. Its highest published overall score is 75.9 at max. Inspect dimension scores, evaluation time, and reference cost below.
Overall score75.9
claude-opus-4-8 · max
- Backend engineering
- 60
- Frontend interaction
- 88
- Knowledge & reasoning
- 85
- Evaluation time
- 106m 52s
- Reference cost
- $16.33
Complete evaluation · API reference 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 |
|---|---|---|---|---|---|---|---|
| 59.7 | 42 | 68 | 75 | 84m 26s | $4.40 | ||
| 74.9 | 56 | 85 | 90 | 102m 10s | $9.18 | ||
| 75.9 | 60 | 88 | 85 | 106m 52s | $16.33 |
Score breakdown
- Overall score
- 75.9
- Evaluation time
- 106m 52s
- Reference cost
- $16.33
Service logic, error handling and verification.
Contracts and boundaries7 / 20
API contracts, input validation and boundary behavior.
Retries and failures15 / 20
Recovery, retry conditions and failure handling.
CI and adversarial review13 / 20
Verification plans, risk detection and audit evidence.
Transactions and consistency13 / 20
State transitions, concurrency and consistency.
Caching and regression12 / 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
- +1.0 pts 74.9 → 75.9
- Reference cost
- +$7.16 $9.18 → $16.33
- Evaluation time
- +4.6% 102m 10s → 106m 52s
Data snapshot published · 11/12/2026Scoring & cost notes