Muse Spark 1.1: benchmark results
Meta's Muse Spark 1.1 model, an updated release of the closed Muse Spark system. Provider: Meta. Released 2026-07-09. Access: API.
Unified ELO 1733 ± 1, rank #24 of 1392 rated models, from 109 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| LLM Stats (MCP Atlas) | 88.1 | Score (%) | 100 |
| MCP Atlas | 88.1 | Pass Rate (self-reported) | 100 |
| SEAL - MCP Atlas | 88.1 | Score | 100 |
| SEAL - MultiNRC | 65.59 | Score | 100 |
| SEAL - Professional Reasoning Benchmark - Finance | 55.01 | Score | 100 |
| SEAL - Professional Reasoning Benchmark - Legal | 57.05 | Score | 100 |
| SEAL - SWE-Bench Pro (Private Dataset) | 51.5 | Score | 100 |
| SEAL - SWE-Bench Pro (Public Dataset) | 61.5 | Score | 100 |
| SEAL - VisualToolBench (VTB) | 44.77 | Score | 100 |
| Chatbot Arena (Text - French) | 1520 | Arena Score | 99.3 |
| Chatbot Arena (Text - Korean) | 1471 | Arena Score | 98.1 |
| CAIS Risk Index | 34.2 | Risk Index (self-reported) | 97.9 |
Interactive version: theaggregate.ai/model?slug=muse-spark-1-1 · How It Works · Data refreshed daily, snapshot 2026-09-05.