Compare / Claude Opus 5.5 vs GLM 5.3
Claude Opus 5.5 vs GLM 5.3
19 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 5.5 | GLM 5.3 |
|---|---|---|---|
| ROASBenchmeasured by us | Audience scorescore out of 100 | 67.7 | 51.0 |
| ROASBenchmeasured by us | Business scorescore out of 100 | 52.3 | 12.9 |
| ROASBenchmeasured by us | Consistency scorescore out of 100 | 33.8 | 14.8 |
| ROASBenchmeasured by us | Contribution profitsimulated US dollars | $911,566 | $9,718 |
| ROASBenchmeasured by us | Cost of a runUS dollars | $1.06 | $0.13 |
| ROASBenchmeasured by us | Months over budgetmonths of 12 | 0 | 0 |
| ROASBenchmeasured by us | Overall scorescore out of 100 | 51.6 | 24.8 |
| ROASBenchmeasured by us | Planning scorescore out of 100 | 54.6 | 51.7 |
| ROASBenchmeasured by us | Return on ad spendprofit per $1 spent | $0.69 | $0.01 |
| Arena (formerly LMArena)reported | Confirmed task successIPS effect estimate | 0.16 | 0.06 |
| Arena (formerly LMArena)reported | Praise over complaintIPS effect estimate | 0.19 | 0.06 |
| Arena (formerly LMArena)reported | SteerabilityIPS effect estimate | 0.14 | 0.03 |
| Arena (formerly LMArena)reported | Tool groundingIPS effect estimate | 0.00 | 0.00 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,499 | 1,474 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,521 | 1,456 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,556 | 1,516 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,516 | 1,480 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,509 | 1,480 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,520 | 1,470 |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.