Model comparison
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Differences vs. claude-haiku-5-5 · xhigh
Score, cost & time differences
Current baseline · claude-haiku-5-5 · xhigh
78Frontend interaction
Compared with claude-haiku-5-5 · xhigh
- deepseek-v4-flash · high
Frontend interaction: −2 ptsReference cost $0.067 ($0.002 more)Evaluation time 16m 48s (8m 48s more)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | claude-haiku-5-5 · xhigh | deepseek-v4-flash · high |
|---|---|---|
| Frontend interaction | claude-haiku-5-5xhigh 78 | deepseek-v4-flashhigh 76−2 pts |
| Overall | claude-haiku-5-5xhigh 65.65 | deepseek-v4-flashhigh 60.50−5.15 pts |
| Backend engineering | claude-haiku-5-5xhigh 69 | deepseek-v4-flashhigh 58−11 pts |
| Knowledge & Reasoning | claude-haiku-5-5xhigh 60 | deepseek-v4-flashhigh 55−5 pts |
| Visual aesthetics | claude-haiku-5-5xhigh 59 | deepseek-v4-flashhigh 61+2 pts |
| Maintainability | claude-haiku-5-5xhigh 64 | deepseek-v4-flashhigh 53−11 pts |
Frontend interaction evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Frontend interaction evaluation| Metric | claude-haiku-5-5 · xhigh | deepseek-v4-flash · high |
|---|---|---|
| Reference cost | claude-haiku-5-5xhigh $0.066 | deepseek-v4-flashhigh $0.067+$0.002 |
| Evaluation time | claude-haiku-5-5xhigh 8m 0s | deepseek-v4-flashhigh 16m 48s+110% |
Capability profiles
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Behind each score
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Backend engineeringSubscores
| Scoring dimension | claude-haiku-5-5xhigh | deepseek-v4-flashhigh |
|---|---|---|
| Contracts and boundaries | 15 / 20 | 8 / 20 |
| Retries and failures | 15 / 20 | 16 / 20 |
| CI and adversarial review | 12 / 20 | 11 / 20 |
| Transactions and consistency | 12 / 20 | 10 / 20 |
| Caching and regression | 15 / 20 | 13 / 20 |
Frontend interactionSubscores
| Scoring dimension | claude-haiku-5-5xhigh | deepseek-v4-flashhigh |
|---|---|---|
| Layout and adaptation | 18 / 20 | 16 / 20 |
| Interaction behavior | 20 / 20 | 20 / 20 |
| State continuity | 15 / 20 | 15 / 20 |
| Accessibility and feedback | 10 / 15 | 10 / 15 |
| State validation and regression | 15 / 25 | 15 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | claude-haiku-5-5xhigh | deepseek-v4-flashhigh |
|---|---|---|
| Mathematical reasoning | 10 / 15 | 10 / 15 |
| Computer science & AI | 5 / 15 | 10 / 15 |
| Science and engineering | 5 / 10 | 5 / 10 |
| Life sciences and medicine | 15 / 20 | 15 / 20 |
| Humanities and general knowledge | 25 / 40 | 15 / 40 |
Visual aestheticsSubscores
| Scoring dimension | claude-haiku-5-5xhigh | deepseek-v4-flashhigh |
|---|---|---|
| Composition | 19 / 20 | 19 / 20 |
| Spacing and alignment | 16 / 20 | 15 / 20 |
| Typography and expression | 16 / 20 | 16 / 20 |
| Color and surfaces | 18 / 20 | 19 / 20 |
| Control styling | 15 / 20 | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | claude-haiku-5-5xhigh | deepseek-v4-flashhigh |
|---|---|---|
| Semantic clarity | 15 / 20 | 15 / 20 |
| Control-flow organization | 20 / 20 | 19 / 20 |
| Locality of changes | 17 / 20 | 15 / 20 |
| State and lifecycle | 18 / 20 | 16 / 20 |
| Implementation economy | 16 / 20 | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.