LTX-2.3
Lightricks
The open-source flagship. First open model to close the gap with proprietary leaders.
Wan 2.6
Alibaba (Tongyi Lab)
Closed-source evolution of Wan. Adds reference-to-video for character consistency, multi-shot narratives, 5 aspect ratios, and 15s duration. Native audio with synced dialogue carried over from 2.5.
Pick LTX-2.3 if…
You want open-source audio-video, or studios needing IP control.
Pick Wan 2.6 if…
You want cross-platform content (all aspect ratios), character-consistent narratives (ref-to-video), or audio-synced social content.
Specifications
Strengths & Trade-offs
LTX-2.3
Strengths
- +22B params
- +true 4K at 50fps
- +first open model with synced audio
- +rebuilt VAE
- +native portrait
Trade-offs
- -Full 4K needs 48GB
- -dialogue lip-sync inconsistent
- -in-scene text flaky
Best For
- →Local 4K production
- →open-source audio-video
- →studios needing IP control
Wan 2.6
Strengths
- +Fastest inference
- +native audio with synced dialogue
- +reference-to-video for character consistency (1-3 video refs)
- +multi-shot with structured prompt syntax [0-3s]/[3-5s]
- +expanded aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4)
Trade-offs
- -Closed source (not self-hostable)
- -reference-to-video limited to 5/10s (no 15s)
- -800 char prompt limit
- -multi-shot timing depends on prompt expansion quality
- -check regional license terms
Best For
- →Cross-platform content (all aspect ratios)
- →character-consistent narratives (ref-to-video)
- →audio-synced social content
- →multilingual production
Run these models on Floyo
Browser-based ComfyUI. No setup, no GPU required.
LTX 2.3 Pro Image to Video
1.0k runs
LTX 2.3 Audio to Video
124 runs
LTX 2.3 Pro Text to Video
101 runs
LTX 2.3 T2V (Community)
47 runs
Wan 2.6 Reference to Video