Model comparison
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Differences vs. glm-5.3-flash · high
Score, cost & time differences
Current baseline · glm-5.3-flash · high
55Backend engineering
Compared with glm-5.3-flash · high
- k2.8 · high
Backend engineering: −1 ptsReference cost $0.21 ($0.19 more)Evaluation time 22m 14s (0m 31s more)
Differences reflect these evaluation tasks. Cost and time cover the same dimension, not a typical conversation. Scoring & cost notes
| Metric | glm-5.3-flash · high | k2.8 · high |
|---|---|---|
| Backend engineering | glm-5.3-flashhigh 55 | k2.8high 54−1 pts |
| Overall | glm-5.3-flashhigh 49.60 | k2.8high 63.55+13.95 pts |
| Frontend interaction | glm-5.3-flashhigh 76 | k2.8high 72−4 pts |
| Knowledge & Reasoning | glm-5.3-flashhigh 20 | k2.8high 70+50 pts |
| Visual aesthetics | glm-5.3-flashhigh 70 | k2.8high 57−13 pts |
| Maintainability | glm-5.3-flashhigh 59 | k2.8high 53−6 pts |
Backend engineering evaluation · Evaluation consumption, not a monthly subscription fee
Cost & time
Backend engineering evaluation| Metric | glm-5.3-flash · high | k2.8 · high |
|---|---|---|
| Reference cost | glm-5.3-flashhigh $0.018 | k2.8high $0.21+$0.19 |
| Evaluation time | glm-5.3-flashhigh 21m 43s | k2.8high 22m 14s+2.4% |
Capability profiles
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Behind each score
Expand to inspect each subaxis.
Backend engineeringSubscores
| Scoring dimension | glm-5.3-flashhigh | k2.8high |
|---|---|---|
| Contracts and boundaries | 6 / 20 | 9 / 20 |
| Retries and failures | 12 / 20 | 15 / 20 |
| CI and adversarial review | 13 / 20 | 14 / 20 |
| Transactions and consistency | 10 / 20 | 9 / 20 |
| Caching and regression | 14 / 20 | 7 / 20 |
Frontend interactionSubscores
| Scoring dimension | glm-5.3-flashhigh | k2.8high |
|---|---|---|
| Layout and adaptation | 18 / 20 | 16 / 20 |
| Interaction behavior | 20 / 20 | 18 / 20 |
| State continuity | 15 / 20 | 15 / 20 |
| Accessibility and feedback | 9 / 15 | 10 / 15 |
| State validation and regression | 14 / 25 | 13 / 25 |
Knowledge & ReasoningSubscores
| Scoring dimension | glm-5.3-flashhigh | k2.8high |
|---|---|---|
| Mathematical reasoning | 5 / 15 | 5 / 15 |
| Computer science & AI | 5 / 15 | 5 / 15 |
| Science and engineering | 0 / 10 | 5 / 10 |
| Life sciences and medicine | 5 / 20 | 20 / 20 |
| Humanities and general knowledge | 5 / 40 | 35 / 40 |
Visual aestheticsSubscores
| Scoring dimension | glm-5.3-flashhigh | k2.8high |
|---|---|---|
| Composition | 20 / 20 | 16 / 20 |
| Spacing and alignment | 16 / 20 | 17 / 20 |
| Typography and expression | 17 / 20 | 16 / 20 |
| Color and surfaces | 20 / 20 | 19 / 20 |
| Control styling | 16 / 20 | 15 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.
MaintainabilitySubscores
| Scoring dimension | glm-5.3-flashhigh | k2.8high |
|---|---|---|
| Semantic clarity | 15 / 20 | 14 / 20 |
| Control-flow organization | 19 / 20 | 19 / 20 |
| Locality of changes | 15 / 20 | 15 / 20 |
| State and lifecycle | 18 / 20 | 17 / 20 |
| Implementation economy | 17 / 20 | 16 / 20 |
Subscores retain their original scale; the axis score uses a consistent conversion.