One of my favorite ways to test a video generation model is to ask it to generate a swordfight scene.

The physics are *really* hard to get right.@LumaLabsAI's Ray3 still falls quite short of passable quality, but it's by far the best model I've tried. pic.twitter.com/B2Wl3DXGAC

— Matt Shumer (@mattshumer_) 19 septembre 2025

One of my favorite ways to test a video generation model is to ask it to generate a swordfight scene. The physics are *really* hard to get right. @LumaLabsAI
's Ray3 still falls quite short of passable quality, but it's by far the best model I've tried.

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