Model comparison
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Differences vs. deepseek-v4.1-flash-1017 · xhigh
Score, cost & time differences
Current baseline · deepseek-v4.1-flash-1017 · xhigh
64Backend engineering
Compared with deepseek-v4.1-flash-1017 · xhigh
- claude-opus-4-8 · max
Backend engineering: tiedReference cost $8.37 ($8.31 more)Evaluation time 63m 16s (55m 26s more)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | deepseek-v4.1-flash-1017 · xhigh | claude-opus-4-8 · max |
|---|---|---|
| Backend engineering | deepseek-v4.1-flash-1017xhigh 64 | claude-opus-4-8max 64Tied |
| Overall | deepseek-v4.1-flash-1017xhigh 69.90 | claude-opus-4-8max 75.85+5.95 pts |
| Frontend interaction | deepseek-v4.1-flash-1017xhigh 83 | claude-opus-4-8max 88+5 pts |
| Knowledge & Reasoning | deepseek-v4.1-flash-1017xhigh 75 | claude-opus-4-8max 85+10 pts |
| Visual aesthetics | deepseek-v4.1-flash-1017xhigh 57 | claude-opus-4-8max 68+11 pts |
| Maintainability | deepseek-v4.1-flash-1017xhigh 57 | claude-opus-4-8max 55−2 pts |
Backend engineering evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Backend engineering evaluation| Metric | deepseek-v4.1-flash-1017 · xhigh | claude-opus-4-8 · max |
|---|---|---|
| Reference cost | deepseek-v4.1-flash-1017xhigh $0.058 | claude-opus-4-8max $8.37+$8.31 |
| Evaluation time | deepseek-v4.1-flash-1017xhigh 7m 51s | claude-opus-4-8max 63m 16s+706.8% |
Capability profiles
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Behind each score
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Backend engineeringSubscores
| Scoring dimension | deepseek-v4.1-flash-1017xhigh | claude-opus-4-8max |
|---|---|---|
| Contracts and boundaries | 13 / 20 | 7 / 20 |
| Retries and failures | 15 / 20 | 15 / 20 |
| CI and adversarial review | 9 / 20 | 13 / 20 |
| Transactions and consistency | 14 / 20 | 13 / 20 |
| Caching and regression | 13 / 20 | 16 / 20 |
Frontend interactionSubscores
| Scoring dimension | deepseek-v4.1-flash-1017xhigh | claude-opus-4-8max |
|---|---|---|
| Layout and adaptation | 18 / 20 | 18 / 20 |
| Interaction behavior | 20 / 20 | 19 / 20 |
| State continuity | 13 / 20 | 20 / 20 |
| Accessibility and feedback | 13 / 15 | 10 / 15 |
| State validation and regression | 19 / 25 | 21 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | deepseek-v4.1-flash-1017xhigh | claude-opus-4-8max |
|---|---|---|
| Mathematical reasoning | 15 / 15 | 15 / 15 |
| Computer science & AI | 15 / 15 | 5 / 15 |
| Science and engineering | 5 / 10 | 10 / 10 |
| Life sciences and medicine | 15 / 20 | 20 / 20 |
| Humanities and general knowledge | 25 / 40 | 35 / 40 |
Visual aestheticsSubscores
| Scoring dimension | deepseek-v4.1-flash-1017xhigh | claude-opus-4-8max |
|---|---|---|
| Composition | 19 / 20 | 20 / 20 |
| Spacing and alignment | 14 / 20 | 17 / 20 |
| Typography and expression | 16 / 20 | 17 / 20 |
| Color and surfaces | 19 / 20 | 18 / 20 |
| Control styling | 15 / 20 | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | deepseek-v4.1-flash-1017xhigh | claude-opus-4-8max |
|---|---|---|
| Semantic clarity | 15 / 20 | 15 / 20 |
| Control-flow organization | 18 / 20 | 19 / 20 |
| Locality of changes | 15 / 20 | 15 / 20 |
| State and lifecycle | 18 / 20 | 16 / 20 |
| Implementation economy | 17 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.