Meta releases Muse Spark 1.3, claims big coding gains at same price
Meta released Muse Spark 1.3 on Wednesday, available in Muse Code and the Meta Model API, claiming significant improvements in coding and agentic performance at the same price as Spark 1.2. The max reasoning variant, in limited preview for partners, scored 62 on the Artificial Analysis Intelligence Index, behind only Claude Fable 5.1 and Claude Opus 5. Mark Zuckerberg also said the Watermelon model and Muse Spark open weights are coming soon.
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Ina Fried / Axios : Meta rolls out Muse Spark 1.3 in Muse Code and Meta Model API, saying it significantly improves coding and agentic performance, at the same price as Spark 1.2 — Meta on Wednesday released Muse Spark 1.3, an update it says significantly improves performance in coding and agentic tasks.
Mark Zuckerberg / @finkd : Mark Zuckerberg says Meta's Watermelon model and Muse Spark open weights are “coming soon” — Muse Spark 1.3 is rolling out today with frontier performance almost too cheap to meter. This is the biggest jump we've made so far on coding and agentic work. Try it in Muse Code and our API. Next up 🍉 and Muse Spark open weights releases coming soon.
@artificialanlys : Muse Spark 1.3 with max reasoning, in limited preview for partners, scores 62 on the Artificial Analysis Intelligence Index, behind only Fable 5.1 and Opus 5 — Meta has released Muse Spark 1.3, their fourth Muse Spark model release in five months. Muse Spark 1.3 (max), which is in limited preview for Meta's partners, scores 62 on the Artificial Analysis Intelligence Index, behind only Claude Fable 5.1 and Claude Opus 5. The variant available now, Muse Spa...
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