ComfyUI Node
LTXV API Image to Video
A ComfyUI node in LTXV API with 10 inputs and 6 outputs.
LTXV API Image to Video
- image
- last_frame
- video
- info
- width
- height
- frame_rate
- frame_count
◄prompt►
◄modelltx-2-3-fast►
◄duration4►
◄resolution1920x1080►
◄resolution_custom►
◄fps24►
◄generate_audiotrue►
◄camera_motion(unset)►
CategoryLTXV API
Inputs (10)
| Name | Type | Default | Description |
|---|---|---|---|
| image | IMAGE | First frame of the generated video. Single frame; if a batch is wired, frame 0 is used. | |
| prompt | STRING | Text describing how the image should animate. | |
| model | COMBO | ltx-2-3-fast | LTX model variant. last_frame is only honored by ltx-2-3-fast / ltx-2-3-pro. |
| duration | INT | 41–30 | Output video length in seconds. Billed per second. |
| resolution | COMBO | 1920x1080 | Output frame size. Pick (custom) for non-listed sizes. |
| resolution_custom | STRING | Literal 'WxH' override. Ignored unless resolution=(custom). | |
| fps | INT | 241–60 | Output frame rate (LTX API default 24). |
| generate_audio | BOOLEAN | true | When On, the API generates a synced audio track in the MP4 (rides through the VIDEO socket). |
| camera_motion | COMBO | (unset) | Optional camera-motion hint. (unset) = let the model pick. |
| last_frameopt | IMAGE | Optional final frame for interpolation. ltx-2-3-fast / ltx-2-3-pro only — ignored by the legacy ltx-2 models. |
Outputs (6)
| Name | Type | Description |
|---|---|---|
| video | VIDEO | Native ComfyUI VIDEO wrapping the downloaded MP4 (lazy decode). Wire to SaveVideo / GetVideoComponents / partner API nodes. Carries the API-generated audio track when generate_audio=True. |
| info | STRING | Human-readable summary. |
| width | INT | Frame width in pixels. |
| height | INT | Frame height in pixels. |
| frame_rate | FLOAT | MP4 frame rate as probed from the container. |
| frame_count | INT | Number of frames in the MP4 container. |