Compare / Claude Sonnet 5 vs Muse Spark 1.2
Claude Sonnet 5 vs Muse Spark 1.2
22 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Sonnet 5 | Muse Spark 1.2 |
|---|---|---|---|
| APEX-Agentsreported | Tasks passed% of tasks | 54.5% | 36.4% |
| Arena (formerly LMArena)reported | Confirmed task successIPS effect estimate | 0.01 | -0.05 |
| Arena (formerly LMArena)reported | Praise over complaintIPS effect estimate | 0.09 | -0.12 |
| Arena (formerly LMArena)reported | SteerabilityIPS effect estimate | 0.07 | -0.05 |
| Arena (formerly LMArena)reported | Tool groundingIPS effect estimate | 0.00 | 0.00 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,452 | 1,484 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,465 | 1,519 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,435 | 1,448 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,512 | 1,502 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,467 | 1,475 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,462 | 1,496 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,452 | 1,472 |
| Artificial Analysisreported | Artificial Analysis Coding Indexindex score | 71.5 | 72.2 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 38.2 | 39.6 |
| Artificial Analysisreported | GPQA Diamond% of questions | 91.1% | 90.4% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 41.3% | 45.5% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 82.0% | 79.0% |
| Artificial Analysisreported | SciCode% of problems | 54.3% | 57.4% |
| Artificial Analysisreported | Terminal-Bench 2.1% of tasks | 80.5% | 80.2% |
| Artificial Analysisreported | Terminal-Bench 4.0% of tasks | 14.1% | 7.1% |
| Artificial Analysisreported | Τ-bench banking% of tasks | 37.3% | 34.8% |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 33.7% | 60.3% |
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.