Meta's Muse Spark 1.2 scores 54 on the Artificial Analysis Intelligence Index, putting Meta next to SpaceXAI in a tie for third place amongst US labs (Artificial Analysis)
Muse Spark 1.2 (xhigh) lands at 54, up 3 points from Muse Spark 1.1 (51) and 11 points from Muse Spark 1.0 (43, April).
Meta's Muse Spark 1.2 has scored 54 on the Artificial Analysis Intelligence Index, putting it in a tie for third place among US labs. This is the third release in four months and showcases significant improvements in agentic knowledge work capabilities compared to prior versions. The model scored 54, up 3 points from Muse Spark 1.1 and 11 points from Muse Spark 1.0.
Muse Spark 1.2 is effectively tied with GPT-5.5 and Grok 4.5, and narrowly behind the current frontier models Claude Opus 5, Claude Fable 5, GPT-5.6 Sol, and Kimi K3. The model's cost-efficiency is noteworthy, costing $0.40 per Intelligence Index task, making it one of the more affordable options at its intelligence level.
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