Muse Spark 1.3 ships with better instruction following, fewer agent hallucinations

WenhuChen · x · 2026-09-03

A retweet of the official announcement: Muse Spark 1.3 is the team's most capable model yet, with major usability gains including complex instruction following and reduced hallucinations in agentic tasks. A 🍉 release and open-weight Muse Spark are teased as coming soon.

Related event: Meta launches Muse Spark 1.3, matching Fable 5 at a fraction of the price(53 posts)→

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