Lightricks · Text-to-Video
LTX-2
First open-weights (Apache 2.0) DiT audio-video foundation model that jointly generates synchronized video and audio (dialogue, music, SFX) in a single pass at up to native 4K/50fps and 20s duration, using an asymmetric dual-stream DiT with bidirectional cross-attention. 19B params (14B video + 5B audio).
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