W4A8 Ltx 2.5 Distilled
Early testing: very close to INT8, and on some hard motion tests it held up better than the official NVFP4.

W4A8 text encoder https://civarchive.com/models/2860946/gemma4-12b-with-proj-ltx-25-w4a8-under-10gb?modelVersionId=3231769

NVFP4 text encoder https://civarchive.com/models/2861031/gemma4-12b-with-proj-ltx-25-nvfp4-under-10gb?modelVersionId=3231870