Model comparison
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Differences vs. claude-opus-5 · high
Score, cost & time differences
Current baseline · claude-opus-5 · high
76.95Overall
Compared with claude-opus-5 · high
- grok-4.6 · xhigh
Overall: −0.1 ptsReference cost $2.51 ($1.55 less)Evaluation time 144m 16s (77m 40s more)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | claude-opus-5 · high | grok-4.6 · xhigh |
|---|---|---|
| Overall | claude-opus-5high 76.95 | grok-4.6xhigh 76.85−0.1 pts |
| Backend engineering | claude-opus-5high 68 | grok-4.6xhigh 78+10 pts |
| Frontend interaction | claude-opus-5high 85 | grok-4.6xhigh 80−5 pts |
| Knowledge & Reasoning | claude-opus-5high 90 | grok-4.6xhigh 85−5 pts |
| Visual aesthetics | claude-opus-5high 61 | grok-4.6xhigh 64+3 pts |
| Maintainability | claude-opus-5high 57 | grok-4.6xhigh 59+2 pts |
Complete evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Complete evaluation| Metric | claude-opus-5 · high | grok-4.6 · xhigh |
|---|---|---|
| Reference cost | claude-opus-5high $4.06 | grok-4.6xhigh $2.51−$1.55 |
| Evaluation time | claude-opus-5high 66m 37s | grok-4.6xhigh 144m 16s+116.6% |
Capability profiles
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Behind each score
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Backend engineeringSubscores
| Scoring dimension | claude-opus-5high | grok-4.6xhigh |
|---|---|---|
| Contracts and boundaries | 11 / 20 | 12 / 20 |
| Retries and failures | 17 / 20 | 18 / 20 |
| CI and adversarial review | 10 / 20 | 14 / 20 |
| Transactions and consistency | 14 / 20 | 17 / 20 |
| Caching and regression | 16 / 20 | 17 / 20 |
Frontend interactionSubscores
| Scoring dimension | claude-opus-5high | grok-4.6xhigh |
|---|---|---|
| Layout and adaptation | 18 / 20 | 18 / 20 |
| Interaction behavior | 20 / 20 | 20 / 20 |
| State continuity | 15 / 20 | 15 / 20 |
| Accessibility and feedback | 13 / 15 | 12 / 15 |
| State validation and regression | 19 / 25 | 15 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | claude-opus-5high | grok-4.6xhigh |
|---|---|---|
| Mathematical reasoning | 15 / 15 | 10 / 15 |
| Computer science & AI | 5 / 15 | 15 / 15 |
| Science and engineering | 10 / 10 | 10 / 10 |
| Life sciences and medicine | 20 / 20 | 15 / 20 |
| Humanities and general knowledge | 40 / 40 | 35 / 40 |
Visual aestheticsSubscores
| Scoring dimension | claude-opus-5high | grok-4.6xhigh |
|---|---|---|
| Composition | 19 / 20 | 20 / 20 |
| Spacing and alignment | 16 / 20 | 15 / 20 |
| Typography and expression | 16 / 20 | 16 / 20 |
| Color and surfaces | 18 / 20 | 20 / 20 |
| Control styling | 16 / 20 | 15 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | claude-opus-5high | grok-4.6xhigh |
|---|---|---|
| Semantic clarity | 15 / 20 | 15 / 20 |
| Control-flow organization | 19 / 20 | 20 / 20 |
| Locality of changes | 15 / 20 | 15 / 20 |
| State and lifecycle | 17 / 20 | 17 / 20 |
| Implementation economy | 17 / 20 | 17 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.