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lightricks/ltx-video-0.9.7
Official
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DiT-based 13b video generation model, creating 30fps video
Capabilities
1:1 4:3 3:4 16:9 9:16 2:3 3:2
Reference Images
Negative Prompt
Seed
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt * | string | Text prompt for video generation | — | — |
fps | integer | Frames per second for the output video. | 24 | — |
guidance_scale | number | Guidance scale. Recommended range: 3.0-3.5. | 3 | min: 1, max: 10 |
height | integer | Height of the output video. Actual height will be a multiple of 32. | 480 | — |
image | string (uri) | Input image for image-to-video generation. If not provided, text-to-video generation will be used. | — | — |
negative_prompt | string | Negative prompt for video generation. | "worst quality, inconsistent motion, blurry, jittery, distorted" | — |
num_frames | integer | Number of frames to generate. Actual frame count will be 8N+1 (e.g., 9, 17, 25, 161). | 161 | — |
num_inference_steps | integer | Number of denoising steps. | 50 | — |
seed | integer | Random seed for reproducible results. Leave blank for a random seed. | — | — |
width | integer | Width of the output video. Actual width will be a multiple of 32. | 704 | — |
prompt required string Text prompt for video generation
fps integer Frames per second for the output video.
Default:
24 guidance_scale number Guidance scale. Recommended range: 3.0-3.5.
Default:
3 min: 1, max: 10 height integer Height of the output video. Actual height will be a multiple of 32.
Default:
480 image string Input image for image-to-video generation. If not provided, text-to-video generation will be used.
negative_prompt string Negative prompt for video generation.
Default:
"worst quality, inconsistent motion, blurry, jittery, distorted" num_frames integer Number of frames to generate. Actual frame count will be 8N+1 (e.g., 9, 17, 25, 161).
Default:
161 num_inference_steps integer Number of denoising steps.
Default:
50 seed integer Random seed for reproducible results. Leave blank for a random seed.
width integer Width of the output video. Actual width will be a multiple of 32.
Default:
704 Version:
b1a80c6dbce3 Updated: 2/26/2026 2.6K runs