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gpt-5.6-terra

gpt-5.6-terra · medium, showing backend engineering. Results for all tested efforts are available below.

Backend engineering49

gpt-5.6-terra · medium

Backend engineering
49
Frontend interaction
50
Knowledge & Reasoning
50
Visual aesthetics
—
Maintainability
—
Evaluation time
12m 25s
Reference cost
$0.32

Backend engineering · Evaluation time & API cost

Backend tested · 9/21/2026Tasks & methodology

Results by reasoning effort

Swipe to see all results →

Model / effortOverallBackend engineeringFrontend interactionKnowledge & ReasoningVisual aestheticsMaintainabilityTotal eval. timeTotal ref. costCompare
—532130——43m 42s$0.71
—495050——46m 2s$0.75
54.80656745534753m 5s$1.03
54.50677235575967m 17s$1.54
65.908176556161133m 2s$1.94

Score breakdown

Overall score
—
Evaluation time
46m 2s
Reference cost
$0.75

Service logic, error handling, and test verification.

Contracts and boundaries9 / 20

API contracts, input validation, and boundary behavior.

Retries and failures11 / 20

Error recovery, retry conditions, and failure handling.

CI and adversarial review11 / 20

Verification plans, risk detection, and audit evidence.

Transactions and consistency11 / 20

State transitions, concurrency control, and data consistency.

Caching and regression7 / 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.

low medium
Backend engineering
−4.0 pts
53.00 49.00
Reference cost
+$0.094
$0.22 $0.32
Evaluation time
+28.2%
9m 41s 12m 25s
View full comparison
Data snapshot published · 10/27/2026Scoring & cost notes