Model comparison
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Differences vs. Qwen3.8-Max · default
Score, cost & time differences
Current baseline · Qwen3.8-Max · default
65Knowledge & reasoning
Compared with Qwen3.8-Max · default
- Qwen4-Max-Preview · default
Knowledge & reasoning: +25 ptsComparable cost unavailableEvaluation time 15m 34s (145m 16s less)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | Qwen3.8-Max · default | Qwen4-Max-Preview · default |
|---|---|---|
| Knowledge & reasoning | Qwen3.8-Maxdefault 65 | Qwen4-Max-Previewdefault 90+25 pts |
| Overall | Qwen3.8-Maxdefault 64.30 | Qwen4-Max-Previewdefault 78.80+14.5 pts |
| Backend engineering | Qwen3.8-Maxdefault 65 | Qwen4-Max-Previewdefault 80+15 pts |
| Frontend interaction | Qwen3.8-Maxdefault 67 | Qwen4-Max-Previewdefault 78+11 pts |
| Visual aesthetics | Qwen3.8-Maxdefault 61 | Qwen4-Max-Previewdefault 59−2 pts |
| Maintainability | Qwen3.8-Maxdefault 57 | Qwen4-Max-Previewdefault 59+2 pts |
Knowledge & reasoning evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Knowledge & reasoning evaluation| Metric | Qwen3.8-Max · default | Qwen4-Max-Preview · default |
|---|---|---|
| Cost | Qwen3.8-Maxdefault $3.45 | Qwen4-Max-Previewdefault N/A |
| Evaluation time | Qwen3.8-Maxdefault 160m 50s | Qwen4-Max-Previewdefault 15m 34s−90.3% |
Capability profiles
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Behind each score
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Backend engineeringSubscores
| Scoring dimension | Qwen3.8-Maxdefault | Qwen4-Max-Previewdefault |
|---|---|---|
| Contracts and boundaries | 12 / 20 | 12 / 20 |
| Retries and failures | 14 / 20 | 19 / 20 |
| CI and adversarial review | 12 / 20 | 14 / 20 |
| Transactions and consistency | 14 / 20 | 18 / 20 |
| Caching and regression | 13 / 20 | 17 / 20 |
Frontend interactionSubscores
| Scoring dimension | Qwen3.8-Maxdefault | Qwen4-Max-Previewdefault |
|---|---|---|
| Layout and adaptation | 18 / 20 | 18 / 20 |
| Interaction behavior | 13 / 20 | 17 / 20 |
| State continuity | 12 / 20 | 18 / 20 |
| Accessibility and feedback | 7 / 15 | 10 / 15 |
| State validation and regression | 17 / 25 | 15 / 25 |
Knowledge & reasoningSubscores
| Scoring dimension | Qwen3.8-Maxdefault | Qwen4-Max-Previewdefault |
|---|---|---|
| Mathematical reasoning | 15 / 15 | — |
| Computer science & AI | 10 / 15 | — |
| Science and engineering | 10 / 10 | — |
| Life sciences and medicine | 10 / 20 | — |
| Humanities and general knowledge | 20 / 40 | — |
Visual aestheticsSubscores
| Scoring dimension | Qwen3.8-Maxdefault | Qwen4-Max-Previewdefault |
|---|---|---|
| Composition | 19 / 20 | 18 / 20 |
| Spacing and alignment | 15 / 20 | 15 / 20 |
| Typography and expression | 16 / 20 | 16 / 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 | Qwen3.8-Maxdefault | Qwen4-Max-Previewdefault |
|---|---|---|
| Semantic clarity | 15 / 20 | 15 / 20 |
| Control-flow organization | 19 / 20 | 20 / 20 |
| Locality of changes | 16 / 20 | 15 / 20 |
| State and lifecycle | 17 / 20 | 17 / 20 |
| Implementation economy | 16 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.