Verdict
Muse Spark leads 4–1 across 5 shared benchmarks.
Claude Sonnet 4.6 1 · Muse Spark 4 · higher isn't always better — check the caveats below.
Reported scores — protocols may differ. How we compare
Math: Muse Spark leads 3–0 across 3 shared math benchmarks (largest gap: FrontierMath-2025-02-28-Private, 68.42 vs 56.84 — single evaluator).
Muse Spark leads 4–1 across 5 shared benchmarks. Claude Sonnet 4.6 leads 1 benchmark and Muse Spark leads 4. Higher isn't always better — see the integrity caveats on each benchmark.
Claude Sonnet 4.6 and Muse Spark have 5 benchmarks in common in our data — those are the only rows where a direct, apples-to-apples comparison is drawn.
Muse Spark leads math 3–0.