claude-opus-4-8
Compare tested reasoning efforts on private datasets. Scores and costs come from their recorded evaluations.
claude-opus-4-8 · max
- Backend & testing
- 64
- Frontend & interaction
- 88
- Knowledge & reasoning
- 85
- Evaluation time
- 106m 52s
- Reference cost
- $16.33
Totals for all three evaluations at this configuration; cost estimated from API usage.
Overall rank 11 / 33 models · Best tested effort
Backend tested · 9/10/2026
Published summary scores use the same effort. Axes may be evaluated on different dates; a backend date refers only to backend testing.
View task coverage and scoring →What changes with more effort
Compare scores, cost and time at neighboring tested efforts.
- Overall score
- +14.2 pts 63.3 → 77.5
- Reference cost
- +$4.77 $4.40 → $9.18
- Evaluation time
- +21.0% 84m 26s → 102m 10s
Results by reasoning effort
Select two or three configurations to compare scores and costs.
Swipe to see all results →
| Model / effort | Overall | Backend & testing | Frontend & interaction | Knowledge & reasoning | Evaluation time | Reference cost | Compare |
|---|---|---|---|---|---|---|---|
| high | 63.3 | 48 | 72 | 75 | 84m 26s | $4.40 | |
| xhigh | 77.5 | 61 | 87 | 90 | 102m 10s | $9.18 | |
| max | 77.5 | 64 | 88 | 85 | 106m 52s | $16.33 |
How to read these results
The summary uses the same configuration as the highest overall score. A complete overall score requires all three axes; missing results appear as dashes.
Data snapshot published 10/1/2026