k3.1-pro
k3.1-pro · high, showing backend engineering. Results for all tested efforts are available below.
Backend engineering72
k3.1-pro · high
- Backend engineering
- 72
- Frontend interaction
- 87
- Knowledge & Reasoning
- 80
- Visual aesthetics
- 68
- Maintainability
- 61
- Evaluation time
- 13m 2s
- Reference cost
- $0.61
Backend engineering · Evaluation time & API cost
Backend tested · 10/24/2026Tasks & 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 |
|---|---|---|---|---|---|---|---|---|---|
| 76.10 | 72 | 87 | 80 | 68 | 61 | 31m 48s | $1.39 | ||
| 79.60 | 84 | 91 | 80 | 68 | 64 | 109m 33s | $5.00 |
Score breakdown
- Overall score
- 76.10
- Evaluation time
- 31m 48s
- Reference cost
- $1.39
Service logic, error handling, and test verification.
Contracts and boundaries14 / 20
API contracts, input validation, and boundary behavior.
Retries and failures16 / 20
Error recovery, retry conditions, and failure handling.
CI and adversarial review11 / 20
Verification plans, risk detection, and audit evidence.
Transactions and consistency14 / 20
State transitions, concurrency control, and data consistency.
Caching and regression17 / 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.
high max
- Backend engineering
- +12.0 pts 72.00 → 84.00
- Reference cost
- +$1.26 $0.61 → $1.87
- Evaluation time
- +226.8% 13m 2s → 42m 34s
Data snapshot published · 10/27/2026Scoring & cost notes