LTX-2.5

Open weights, 4K HDR, and picture and sound generated together rather than stitched.

currentLightricksVerified 2026-09-02

22B

open weights, 4K HDR

Arena Elo	Not ratedsource · as of 2026-09-02
Native audio	Yes, generated jointlysource · as of 2026-09-02
Max length	10s per shot, multishot scenessource · as of 2026-09-02 · medium confidence
Open weights	Yessource · as of 2026-09-02

22B asymmetric dual-stream diffusion transformer that generates video and audio jointly
Native multishot scenes, automatic duration and 4K HDR output
Free for commercial use under $10M revenue, and a day-one ComfyUI integration

Best for open weight video with audio.