LTX 2.3 Ultra generates 4K video without the usual bottom artifacts
smereces · reddit · 2026-07-23
LTX 2.3 Ultra upscale reaches 4K without bottom artifacts
The author says they successfully generated a final video at 3840×2160 with an upscale workflow that avoided the bottom artifacts and deformations they were seeing before.
This is a straightforward but useful practical result: a higher-resolution video output from LTX 2.3 Ultra without the usual edge or lower-frame corruption in the final render.
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