GPT-5.6
GPT-5.6 has 15 tested configurations. Its highest published overall score is 74.15 at max. Inspect dimension scores, evaluation time, and reference cost below.
Overall score74.15
gpt-5.6-sol · max
- Backend engineering
- 85
- Frontend interaction
- 73
- Knowledge & Reasoning
- 75
- Visual aesthetics
- 66
- Maintainability
- 64
- Evaluation time
- 87m 21s
- Reference cost
- $3.25
Complete evaluation · API reference cost
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 |
|---|---|---|---|---|---|---|---|---|---|
| gpt-5.6-sol | 66.70 | 69 | 78 | 60 | 66 | 64 | 41m 49s | $1.53 | |
| gpt-5.6-terra | — | 53 | 21 | 30 | — | — | 43m 42s | $0.71 | |
| gpt-5.6-luna | — | 32 | 18 | 5 | — | — | 52m 31s | $0.067 | |
| gpt-5.6-sol | 71.80 | 73 | 83 | 70 | 68 | 59 | 59m 12s | $1.72 | |
| gpt-5.6-terra | — | 49 | 50 | 50 | — | — | 46m 2s | $0.75 | |
| gpt-5.6-luna | — | 51 | 13 | 25 | — | — | 18m 22s | $0.084 | |
| gpt-5.6-sol | 73.70 | 78 | 90 | 65 | 73 | 64 | 58m 24s | $2.05 | |
| gpt-5.6-terra | 54.80 | 65 | 67 | 45 | 53 | 47 | 53m 5s | $1.03 | |
| gpt-5.6-luna | 38.30 | 49 | 52 | 15 | 55 | 46 | 32m 18s | $0.14 | |
| gpt-5.6-sol | 66.60 | 78 | 65 | 65 | 61 | 61 | 71m 19s | $2.56 | |
| gpt-5.6-terra | 54.50 | 67 | 72 | 35 | 57 | 59 | 67m 17s | $1.54 | |
| gpt-5.6-luna | 52.35 | 56 | 83 | 25 | 66 | 59 | 75m 23s | $0.16 | |
| gpt-5.6-sol | 74.15 | 85 | 73 | 75 | 66 | 64 | 87m 21s | $3.25 | |
| gpt-5.6-terra | 65.90 | 81 | 76 | 55 | 61 | 61 | 133m 2s | $1.94 | |
| gpt-5.6-luna | 52.30 | 65 | 78 | 25 | 59 | 61 | 86m 14s | $0.35 |
Score breakdown
- Overall score
- 74.15
- Evaluation time
- 87m 21s
- Reference cost
- $3.25
Service logic, error handling, and test verification.
Contracts and boundaries17 / 20
API contracts, input validation, and boundary behavior.
Retries and failures18 / 20
Error recovery, retry conditions, and failure handling.
CI and adversarial review13 / 20
Verification plans, risk detection, and audit evidence.
Transactions and consistency18 / 20
State transitions, concurrency control, and data consistency.
Caching and regression19 / 20
Cache 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
- +7.5 pts 66.60 → 74.15
- Reference cost
- +$0.69 $2.56 → $3.25
- Evaluation time
- +22.5% 71m 19s → 87m 21s
Data snapshot published · 10/27/2026Scoring & cost notes