Scale CEO Praises Muse Spark 1.3's Interactive 3D Japanese Garden Scene as Huge Leap
alexandr_wang · x · 2026-09-03
Scale AI founder Alexandr Wang shared and praised Mooncast's Muse Spark 1.3 model, calling it "a huge step forward" over 1.2.
The demo asks models to build interactive browser experiences with the Beast development harness at medium effort: a finely detailed voxel-art Japanese tea garden rendered in three.js with an orbit camera, mouse controls, stone lanterns, raked sand and cherry blossoms. Models with console errors get a few fix attempts — some still fail.
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