Model comparison
Selected 2 / 5See the differences. Choose what matters to you.
Differences vs. gpt-5.6-terra · medium
Score, cost & time differences
Current baseline · gpt-5.6-terra · medium
50Knowledge & Reasoning
Compared with gpt-5.6-terra · medium
- gpt-6-luna · xhigh
Knowledge & Reasoning: tiedReference cost $0.026 ($0.31 less)Evaluation time 35m 30s (4m 50s 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-6-luna · xhigh |
|---|---|---|
| Knowledge & Reasoning | gpt-5.6-terramedium 50 | gpt-6-lunaxhigh 50Tied |
| Overall | gpt-5.6-terramedium — | gpt-6-lunaxhigh 62.00 |
| Backend engineering | gpt-5.6-terramedium 49 | gpt-6-lunaxhigh 62+13 pts |
| Frontend interaction | gpt-5.6-terramedium 50 | gpt-6-lunaxhigh 80+30 pts |
| Visual aesthetics | gpt-5.6-terramedium — | gpt-6-lunaxhigh 68 |
| Maintainability | gpt-5.6-terramedium — | gpt-6-lunaxhigh 59 |
Knowledge & Reasoning evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Knowledge & Reasoning evaluation| Metric | gpt-5.6-terra · medium | gpt-6-luna · xhigh |
|---|---|---|
| Reference cost | gpt-5.6-terramedium $0.34 | gpt-6-lunaxhigh $0.026−$0.31 |
| Evaluation time | gpt-5.6-terramedium 30m 39s | gpt-6-lunaxhigh 35m 30s+15.8% |
Capability profiles
Show up to five models. Select names to focus the chart.
Behind each score
Expand to inspect each subaxis.
Backend engineeringSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-6-lunaxhigh |
|---|---|---|
| Contracts and boundaries | 9 / 20 | 10 / 20 |
| Retries and failures | 11 / 20 | 16 / 20 |
| CI and adversarial review | 11 / 20 | 9 / 20 |
| Transactions and consistency | 11 / 20 | 13 / 20 |
| Caching and regression | 7 / 20 | 14 / 20 |
Frontend interactionSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-6-lunaxhigh |
|---|---|---|
| Layout and adaptation | 13 / 20 | 18 / 20 |
| Interaction behavior | 9 / 20 | 20 / 20 |
| State continuity | 7 / 20 | 15 / 20 |
| Accessibility and feedback | 6 / 15 | 10 / 15 |
| State validation and regression | 15 / 25 | 17 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-6-lunaxhigh |
|---|---|---|
| Mathematical reasoning | 5 / 15 | 0 / 15 |
| Computer science & AI | 5 / 15 | 5 / 15 |
| Science and engineering | 5 / 10 | 10 / 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-6-lunaxhigh |
|---|---|---|
| Composition | — | 19 / 20 |
| Spacing and alignment | — | 16 / 20 |
| Typography and expression | — | 17 / 20 |
| Color and surfaces | — | 19 / 20 |
| Control styling | — | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | gpt-5.6-terramedium | gpt-6-lunaxhigh |
|---|---|---|
| Semantic clarity | — | 15 / 20 |
| Control-flow organization | — | 20 / 20 |
| Locality of changes | — | 15 / 20 |
| State and lifecycle | — | 18 / 20 |
| Implementation economy | — | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.