LaunchAI ModelsSeptember 3, 2026

Meta releases Muse Spark 1.3, its most capable model yet

Muse Spark 1.3 scores 62 on the Artificial Analysis Intelligence Index, behind only Claude Fable 5.1 and Claude Opus 5. It uses ~20% fewer tool calls and ~25% fewer tokens than Muse Spark 1.2, and is available now in Muse Code and Meta Model API.

Featured · Mark Zuckerberg

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1 day · 5 reports · 25 community posts · from Sep 2

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