Compare / Claude Opus 4.6 vs GLM 5.3 Flash
Claude Opus 4.6 vs GLM 5.3 Flash
12 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 4.6 | GLM 5.3 Flash |
|---|---|---|---|
| APEX-Agentsreported | Tasks passed% of tasks | 46.3% | 52.8% |
| Arena (formerly LMArena)reported | OverallArena rating | 1,494 | 1,467 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,501 | 1,463 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,501 | 1,433 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,547 | 1,510 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,513 | 1,474 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,505 | 1,474 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,500 | 1,450 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 31.9 | 41.8 |
| Artificial Analysisreported | GPQA Diamond% of questions | 89.6% | 91.2% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 39.9% | 39.9% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 78.0% | 80.0% |
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.