Compare / Claude Opus 5 vs GLM 5.1
Claude Opus 5 vs GLM 5.1
19 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 5 | GLM 5.1 |
|---|---|---|---|
| APEX-Agentsreported | Tasks passed% of tasks | 65.8% | 40.9% |
| Arena (formerly LMArena)reported | OverallArena rating | 1,488 | 1,456 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,486 | 1,465 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,472 | 1,448 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,543 | 1,495 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,497 | 1,460 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,491 | 1,465 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,482 | 1,453 |
| Artificial Analysisreported | Artificial Analysis Coding Indexindex score | 78.0 | 55.8 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 50.8 | 26.1 |
| Artificial Analysisreported | GPQA Diamond% of questions | 93.7% | 86.8% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 54.9% | 30.1% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 82.0% | 73.7% |
| Artificial Analysisreported | SciCode% of problems | 56.4% | 44.8% |
| Artificial Analysisreported | Terminal-Bench 2.1% of tasks | 89.1% | 61.8% |
| Artificial Analysisreported | Terminal-Bench 4.0% of tasks | 49.0% | 2.0% |
| Artificial Analysisreported | Τ-bench banking% of tasks | 44.7% | 13.6% |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 59.9% | 34.0% |
| Vending-Bench 2reported | Money after a yearUS dollars | $11,181.87 | $5,634.41 |
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.