Model comparison
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Differences vs. Qwen4-Max-Preview · default
Score, cost & time differences
Current baseline · Qwen4-Max-Preview · default
80Backend engineering
Compared with Qwen4-Max-Preview · default
- Claude Opus 5.5 · max
Backend engineering: +1 ptsComparable cost unavailableEvaluation time 9m 29s (9m 8s less)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | Qwen4-Max-Preview · default | Claude Opus 5.5 · max |
|---|---|---|
| Backend engineering | Qwen4-Max-Previewdefault 80 | Claude Opus 5.5max 81+1 pts |
| Overall | Qwen4-Max-Previewdefault 78.80 | Claude Opus 5.5max 89.75+10.95 pts |
| Frontend interaction | Qwen4-Max-Previewdefault 78 | Claude Opus 5.5max 97+19 pts |
| Knowledge & reasoning | Qwen4-Max-Previewdefault 90 | Claude Opus 5.5max 100+10 pts |
| Visual aesthetics | Qwen4-Max-Previewdefault 59 | Claude Opus 5.5max 73+14 pts |
| Maintainability | Qwen4-Max-Previewdefault 59 | Claude Opus 5.5max 70+11 pts |
Backend engineering evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Backend engineering evaluation| Metric | Qwen4-Max-Preview · default | Claude Opus 5.5 · max |
|---|---|---|
| Cost | Qwen4-Max-Previewdefault N/A | Claude Opus 5.5max $1.05 |
| Evaluation time | Qwen4-Max-Previewdefault 18m 36s | Claude Opus 5.5max 9m 29s−49% |
Capability profiles
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Behind each score
Expand to inspect each subaxis.
Backend engineeringSubscores
| Scoring dimension | Qwen4-Max-Previewdefault | Claude Opus 5.5max |
|---|---|---|
| Contracts and boundaries | 12 / 20 | 18 / 20 |
| Retries and failures | 19 / 20 | 16 / 20 |
| CI and adversarial review | 14 / 20 | 16 / 20 |
| Transactions and consistency | 18 / 20 | 16 / 20 |
| Caching and regression | 17 / 20 | 15 / 20 |
Frontend interactionSubscores
| Scoring dimension | Qwen4-Max-Previewdefault | Claude Opus 5.5max |
|---|---|---|
| Layout and adaptation | 18 / 20 | 20 / 20 |
| Interaction behavior | 17 / 20 | 20 / 20 |
| State continuity | 18 / 20 | 20 / 20 |
| Accessibility and feedback | 10 / 15 | 12 / 15 |
| State validation and regression | 15 / 25 | 25 / 25 |
Knowledge & reasoningSubscores
| Scoring dimension | Qwen4-Max-Previewdefault | Claude Opus 5.5max |
|---|---|---|
| Mathematical reasoning | — | 15 / 15 |
| Computer science & AI | — | 15 / 15 |
| Science and engineering | — | 10 / 10 |
| Life sciences and medicine | — | 20 / 20 |
| Humanities and general knowledge | — | 40 / 40 |
Visual aestheticsSubscores
| Scoring dimension | Qwen4-Max-Previewdefault | Claude Opus 5.5max |
|---|---|---|
| Composition | 18 / 20 | 19 / 20 |
| Spacing and alignment | 15 / 20 | 18 / 20 |
| Typography and expression | 16 / 20 | 18 / 20 |
| Color and surfaces | 19 / 20 | 19 / 20 |
| Control styling | 16 / 20 | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | Qwen4-Max-Previewdefault | Claude Opus 5.5max |
|---|---|---|
| Semantic clarity | 15 / 20 | 16 / 20 |
| Control-flow organization | 20 / 20 | 20 / 20 |
| Locality of changes | 15 / 20 | 18 / 20 |
| State and lifecycle | 17 / 20 | 18 / 20 |
| Implementation economy | 17 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.