Muse Spark 1.3 (xHigh): benchmark results
Provider: Meta. Released 2026-09-02. Access: API.
Unified ELO 1749 ± 1, rank #32 of 1761 rated models, from 51 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| ComplexConstraints | 51.9 | Score (%) | 100 |
| LiveBench TypeScript | 60 | Score | 99.1 |
| AA GPQA Diamond | 94.14 | Accuracy (%) | 98.9 |
| Artificial Analysis Intelligence Index | 51.55 | Intelligence Index | 98.1 |
| AA Long Context Reasoning | 83 | Accuracy (%) | 97 |
| AA Humanity's Last Exam | 47.45 | Accuracy (%) | 96.7 |
| AA GDPval | 1667.1 | ELO | 96.6 |
| LiveBench JavaScript | 77.27 | Score | 96.2 |
| Tau3 Banking | 47.22 | Success Rate (%) | 96 |
| AA CritPt | 26 | Accuracy (%) | 95.6 |
| AA SciCode | 59.72 | Accuracy (%) | 95.4 |
| WebDev Arena (HTML) | 1637 | Arena Score | 95.1 |
Interactive version: theaggregate.ai/model?slug=muse-spark-1-3-xhigh · How It Works · Data refreshed daily, snapshot 2026-09-05.