Meta releases Muse Spark Open, an 816B open-weights model
NVIDIA AI congratulates @alexandr_wang and the @Muse team on their open-weights model release. https://t.co/7JH7PXOnAz In the quoted post, @ArtificialAnlys reports that Meta's Muse Spark Open has 816B parameters (42B active) and scores 39 on the Artificial Analysis Intelligence Index, ranking it the #1 US open-weights model. Muse Spark Open (xhigh) scores 22 points above Meta's 30B dense Muse Glimmer (high, 17). https://t.co/jf31mQNINe
Why it matters: The quoted benchmark comparison places Muse Spark Open alongside Muse Glimmer, providing context for the reported performance difference between Meta's two open-weights models.

