Muse Spark 1.3 (xhigh) is cheapest per-task at its intelligence level at $0.55
ArtificialAnlys · x · 2026-09-03
Artificial Analysis reports Muse Spark 1.3 (xhigh) is the most cost-efficient model at its intelligence level: $0.55 per Intelligence Index task at Meta's unchanged $1.25/$4.25 per 1M token pricing — the lowest among models scoring 59+. Nearest rivals: Gemini 3.8 Flash (high, $0.58), GPT-5.6 Sol (xhigh, $0.63), GLM-5.3 (max, $0.68); same-score peers Grok 4.6 (high, $0.94), GPT-5.6 Sol (max, $0.95), and Claude Opus 5 (high, $1.23) cost far more. Pricing for the max variant is unannounced.
Related event: Muse Spark 1.3 Gains Intelligence While Leading Cost Efficiency(2 posts)→
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