Model comparison
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Differences vs. step-5 · default
Score, cost & time differences
Current baseline · step-5 · default
65.20Overall
Compared with step-5 · default
- deepseek-v4-pro · max
Overall: −0.05 ptsReference cost $1.15 ($0.084 less)Evaluation time 93m 15s (5m 7s less)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | step-5 · default | deepseek-v4-pro · max |
|---|---|---|
| Overall | step-5default 65.20 | deepseek-v4-promax 65.15−0.05 pts |
| Backend engineering | step-5default 61 | deepseek-v4-promax 67+6 pts |
| Frontend interaction | step-5default 71 | deepseek-v4-promax 63−8 pts |
| Knowledge & Reasoning | step-5default 75 | deepseek-v4-promax 65−10 pts |
| Visual aesthetics | step-5default 47 | deepseek-v4-promax 70+23 pts |
| Maintainability | step-5default 55 | deepseek-v4-promax 59+4 pts |
Complete evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Complete evaluation| Metric | step-5 · default | deepseek-v4-pro · max |
|---|---|---|
| Reference cost | step-5default $1.24 | deepseek-v4-promax $1.15−$0.084 |
| Evaluation time | step-5default 98m 22s | deepseek-v4-promax 93m 15s−5.2% |
Capability profiles
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Behind each score
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Backend engineeringSubscores
| Scoring dimension | step-5default | deepseek-v4-promax |
|---|---|---|
| Contracts and boundaries | 9 / 20 | 9 / 20 |
| Retries and failures | 16 / 20 | 17 / 20 |
| CI and adversarial review | 8 / 20 | 12 / 20 |
| Transactions and consistency | 16 / 20 | 13 / 20 |
| Caching and regression | 12 / 20 | 16 / 20 |
Frontend interactionSubscores
| Scoring dimension | step-5default | deepseek-v4-promax |
|---|---|---|
| Layout and adaptation | 18 / 20 | 17 / 20 |
| Interaction behavior | 18 / 20 | 16 / 20 |
| State continuity | 12 / 20 | 8 / 20 |
| Accessibility and feedback | 10 / 15 | 7 / 15 |
| State validation and regression | 13 / 25 | 15 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | step-5default | deepseek-v4-promax |
|---|---|---|
| Mathematical reasoning | 10 / 15 | 15 / 15 |
| Computer science & AI | 10 / 15 | 10 / 15 |
| Science and engineering | 10 / 10 | 5 / 10 |
| Life sciences and medicine | 20 / 20 | 15 / 20 |
| Humanities and general knowledge | 25 / 40 | 20 / 40 |
Visual aestheticsSubscores
| Scoring dimension | step-5default | deepseek-v4-promax |
|---|---|---|
| Composition | 15 / 20 | 19 / 20 |
| Spacing and alignment | 14 / 20 | 16 / 20 |
| Typography and expression | 15 / 20 | 18 / 20 |
| Color and surfaces | 18 / 20 | 19 / 20 |
| Control styling | 16 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | step-5default | deepseek-v4-promax |
|---|---|---|
| Semantic clarity | 15 / 20 | 15 / 20 |
| Control-flow organization | 19 / 20 | 20 / 20 |
| Locality of changes | 15 / 20 | 15 / 20 |
| State and lifecycle | 16 / 20 | 17 / 20 |
| Implementation economy | 17 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.