Model comparison
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Differences vs. gpt-5.6-terra · medium
Score, cost & time differences
Current baseline · gpt-5.6-terra · medium
49Backend engineering
Compared with gpt-5.6-terra · medium
- gpt-5.6-terra · high
Backend engineering: +16 ptsReference cost $0.40 ($0.085 more)Evaluation time 17m 47s (5m 22s more)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | gpt-5.6-terra · medium | gpt-5.6-terra · high |
|---|---|---|
| Backend engineering | gpt-5.6-terramedium 49 | gpt-5.6-terrahigh 65+16 pts |
| Overall | gpt-5.6-terramedium — | gpt-5.6-terrahigh 54.80 |
| Frontend interaction | gpt-5.6-terramedium 50 | gpt-5.6-terrahigh 67+17 pts |
| Knowledge & Reasoning | gpt-5.6-terramedium 50 | gpt-5.6-terrahigh 45−5 pts |
| Visual aesthetics | gpt-5.6-terramedium — | gpt-5.6-terrahigh 53 |
| Maintainability | gpt-5.6-terramedium — | gpt-5.6-terrahigh 47 |
Backend engineering evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Backend engineering evaluation| Metric | gpt-5.6-terra · medium | gpt-5.6-terra · high |
|---|---|---|
| Reference cost | gpt-5.6-terramedium $0.32 | gpt-5.6-terrahigh $0.40+$0.085 |
| Evaluation time | gpt-5.6-terramedium 12m 25s | gpt-5.6-terrahigh 17m 47s+43.3% |
Capability profiles
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Behind each score
Expand to inspect each subaxis.
Backend engineeringSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-5.6-terrahigh |
|---|---|---|
| Contracts and boundaries | 9 / 20 | 13 / 20 |
| Retries and failures | 11 / 20 | 14 / 20 |
| CI and adversarial review | 11 / 20 | 9 / 20 |
| Transactions and consistency | 11 / 20 | 14 / 20 |
| Caching and regression | 7 / 20 | 15 / 20 |
Frontend interactionSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-5.6-terrahigh |
|---|---|---|
| Layout and adaptation | 13 / 20 | 15 / 20 |
| Interaction behavior | 9 / 20 | 18 / 20 |
| State continuity | 7 / 20 | 12 / 20 |
| Accessibility and feedback | 6 / 15 | 7 / 15 |
| State validation and regression | 15 / 25 | 15 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-5.6-terrahigh |
|---|---|---|
| Mathematical reasoning | 5 / 15 | 5 / 15 |
| Computer science & AI | 5 / 15 | 5 / 15 |
| Science and engineering | 5 / 10 | 0 / 10 |
| Life sciences and medicine | 15 / 20 | 15 / 20 |
| Humanities and general knowledge | 20 / 40 | 20 / 40 |
Visual aestheticsSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-5.6-terrahigh |
|---|---|---|
| Composition | — | 19 / 20 |
| Spacing and alignment | — | 14 / 20 |
| Typography and expression | — | 16 / 20 |
| Color and surfaces | — | 19 / 20 |
| Control styling | — | 13 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-5.6-terrahigh |
|---|---|---|
| Semantic clarity | — | 15 / 20 |
| Control-flow organization | — | 15 / 20 |
| Locality of changes | — | 15 / 20 |
| State and lifecycle | — | 17 / 20 |
| Implementation economy | — | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.