Muse Spark 1.3 max publicly released with stronger coding and agentic performance

jordihays · x · 2026-09-05

Alexandr Wang announced the public release of Muse Spark 1.3 max, citing significantly stronger coding and agentic performance, and recommending users try it even if they've already tested 1.3 high or 1.3 xhigh.

Related event: Meta launches Muse Spark 1.3 max reasoning mode(2 posts)→

Original post →

More from Models

Models channel →