Video · Lightricks

LTX-2

Fully open-source 4K video with audio

[ Overview ]

Lightricks' LTX-2 is the first production-ready audio-video generation model released with fully open weights, generating synchronized native 4K video at up to 50fps.

[ Pros ]

Fully open weights, self-hostable
Native 4K with synced audio
Generous free commercial tier

[ Cons ]

Requires serious GPU hardware to self-host
Cloud hosting costs add up for heavy use

[ Tags ]

open-sourcevideo generation4Kaudio-sync