GPT-5.6 Luna
GPT-5.6 Luna has 5 tested configurations. Its highest published overall score is 54.1 at max. Inspect dimension scores, evaluation time, and cost below.
Overall score54.1
GPT-5.6 Luna · max
- Backend engineering
- 61
- Frontend interaction
- 74
- Knowledge & reasoning
- 25
- Evaluation time
- 86m 14s
- Cost
- $0.35
Complete evaluation · API 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 |
|---|---|---|---|---|---|---|---|
| 18.9 | 30 | 18 | 5 | 52m 31s | $0.067 | ||
| 30.2 | 47 | 13 | 25 | 18m 22s | $0.084 | ||
| 36.3 | 45 | 46 | 15 | 32m 18s | $0.14 | ||
| 52.5 | 54 | 78 | 25 | 75m 23s | $0.16 | ||
| 54.1 | 61 | 74 | 25 | 86m 14s | $0.35 |
Score breakdown
- Overall score
- 54.1
- Evaluation time
- 86m 14s
- Cost
- $0.35
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 consistency16 / 20
State transitions, concurrency and consistency.
Caching and regression10 / 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
- +1.6 pts 52.5 → 54.1
- Cost
- +$0.18 $0.16 → $0.35
- Evaluation time
- +14.4% 75m 23s → 86m 14s
Data snapshot published · 11/13/2026Scoring & cost notes