Model comparison
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Differences vs. gpt-5.6-sol · xhigh
Score, cost & time differences
Current baseline · gpt-5.6-sol · xhigh
66.60Overall
Compared with gpt-5.6-sol · xhigh
- hy4-preview · high
Overall: +0.1 ptsReference cost $1.63 ($0.93 less)Evaluation time 218m 41s (147m 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-sol · xhigh | hy4-preview · high |
|---|---|---|
| Overall | gpt-5.6-solxhigh 66.60 | hy4-previewhigh 66.70+0.1 pts |
| Backend engineering | gpt-5.6-solxhigh 78 | hy4-previewhigh 74−4 pts |
| Frontend interaction | gpt-5.6-solxhigh 65 | hy4-previewhigh 73+8 pts |
| Knowledge & Reasoning | gpt-5.6-solxhigh 65 | hy4-previewhigh 65Tied |
| Visual aesthetics | gpt-5.6-solxhigh 61 | hy4-previewhigh 59−2 pts |
| Maintainability | gpt-5.6-solxhigh 61 | hy4-previewhigh 57−4 pts |
Complete evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Complete evaluation| Metric | gpt-5.6-sol · xhigh | hy4-preview · high |
|---|---|---|
| Reference cost | gpt-5.6-solxhigh $2.56 | hy4-previewhigh $1.63−$0.93 |
| Evaluation time | gpt-5.6-solxhigh 71m 19s | hy4-previewhigh 218m 41s+206.6% |
Capability profiles
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Behind each score
Expand to inspect each subaxis.
Backend engineeringSubscores
| Scoring dimension | gpt-5.6-solxhigh | hy4-previewhigh |
|---|---|---|
| Contracts and boundaries | 15 / 20 | 14 / 20 |
| Retries and failures | 17 / 20 | 17 / 20 |
| CI and adversarial review | 10 / 20 | 12 / 20 |
| Transactions and consistency | 18 / 20 | 16 / 20 |
| Caching and regression | 18 / 20 | 15 / 20 |
Frontend interactionSubscores
| Scoring dimension | gpt-5.6-solxhigh | hy4-previewhigh |
|---|---|---|
| Layout and adaptation | 13 / 20 | 18 / 20 |
| Interaction behavior | 17 / 20 | 20 / 20 |
| State continuity | 15 / 20 | 10 / 20 |
| Accessibility and feedback | 5 / 15 | 11 / 15 |
| State validation and regression | 15 / 25 | 14 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | gpt-5.6-solxhigh | hy4-previewhigh |
|---|---|---|
| Mathematical reasoning | 15 / 15 | 15 / 15 |
| Computer science & AI | 5 / 15 | 10 / 15 |
| Science and engineering | 5 / 10 | 0 / 10 |
| Life sciences and medicine | 15 / 20 | 15 / 20 |
| Humanities and general knowledge | 25 / 40 | 25 / 40 |
Visual aestheticsSubscores
| Scoring dimension | gpt-5.6-solxhigh | hy4-previewhigh |
|---|---|---|
| Composition | 19 / 20 | 18 / 20 |
| Spacing and alignment | 17 / 20 | 16 / 20 |
| Typography and expression | 16 / 20 | 17 / 20 |
| Color and surfaces | 19 / 20 | 19 / 20 |
| Control styling | 14 / 20 | 14 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | gpt-5.6-solxhigh | hy4-previewhigh |
|---|---|---|
| Semantic clarity | 16 / 20 | 15 / 20 |
| Control-flow organization | 19 / 20 | 18 / 20 |
| Locality of changes | 15 / 20 | 16 / 20 |
| State and lifecycle | 18 / 20 | 17 / 20 |
| Implementation economy | 17 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.