Muse Spark 1.2 (xHigh): benchmark results
Provider: Meta. Released 2026-08-05. Access: API.
Unified ELO 1716 ± 1, rank #89 of 3040 rated models, from 174 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AA-LCR | 83.33 | Accuracy (self-reported) | 100 |
| Chatbot Arena (Text - Business, Management & Financial Ops) | 1517 | Arena Score | 100 |
| Chatbot Arena (Text - Legal & Government) | 1541 | Arena Score | 100 |
| Chatbot Arena (Text - Medicine & Healthcare) | 1530 | Arena Score | 100 |
| Chatbot Arena (Text - Multi-Turn) | 1520 | Arena Score | 100 |
| Vals AI TaxEval v2 | 80.38 | Accuracy (%) | 100 |
| Chatbot Arena (Text - Non-English) | 1494 | Arena Score | 99.8 |
| Chatbot Arena (Text - Russian) | 1517 | Arena Score | 99.7 |
| Chatbot Arena (Text - Life, Physical & Social Science) | 1526 | Arena Score | 99.4 |
| Chatbot Arena (Text) | 1500 | Elo | 99.3 |
| LiveBench Logic With Navigation | 88 | Score | 99.1 |
| Chatbot Arena (Text - English) | 1501 | Arena Score | 98.8 |
Interactive version: theaggregate.ai/model?slug=muse-spark-1-2-xhigh · How It Works · Data refreshed daily, snapshot 2026-09-22.