SciCode is the standout: Muse Spark 1.1 ranks #3 across all models we have benchmarked at 58%, behind only Claude Fable 5 (60%) and Gemini 3.1 Pro Preview (59%). Its 45% on Humanity's Last Exam sits within a point of Claude Opus 4.8 (max, 46%), a model five points ahead of it on the Intelligence Index.