Meta's Muse Spark 1.1 Scores 51 on the Artificial Analysis Intelligence Index

Meta's Muse Spark 1.1 scored 51 on the Artificial Analysis Intelligence Index, improving 8 points over its predecessor in three months. The model is cost and token efficient compared to peers, with gains in scientific reasoning, coding, and knowledge, though agentic knowledge work lags.

Meta's Muse Spark 1.1 scores 51 on the Artificial Analysis Intelligence Index and is cost and token efficient compared to its peers Muse Spark 1.1 xhigh improves 8 points over Muse Spark 1.0 43 in three months. It is effectively tied with GLM-5.2 max , GPT-5.4 xhigh , and GPT-5.6 Luna max at 51, three points behind Grok 4.5 high, 54 , with the leading edge at Claude Fable 5 60 , GPT-5.6 Sol max, 59 , and Claude Opus 4.8 max, 56 . The gains concentrate in Scientific Reasoning, coding, and knowledge; agentic knowledge work lags on GDPval-AA v2.