Muse Spark 1.1 (xHigh): benchmark results

Provider: Meta. Released 2026-07-09. Access: API.

Unified ELO 1712 ± 1, rank #88 of 1919 rated models, from 72 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
Vals AI TaxEval v279.72Accuracy (%)99.3
AA-LCR81.33Accuracy (self-reported)99
Vals AI CorpFin v271.29Accuracy (%)97.7
LiveBench JavaScript77.27Score96.4
Epoch AI - Scicode58.22Score96.3
AA Humanity's Last Exam46.2Accuracy (%)96
Vals AI MedScribe88.89Accuracy (%)95.9
AA Omniscience28.08Score95.8
AA Omniscience - Science, Engineering & Mathematics52.66Accuracy (%)95.6
AA SciCode58.8Accuracy (%)95.5
AA Omniscience - Health48.15Accuracy (%)95
Vals AI Harvey Legal Agent Bench20Accuracy (%)94.8

Interactive version: theaggregate.ai/model?slug=muse-spark-1-1-xhigh · How It Works · Data refreshed daily, snapshot 2026-09-08.