ComfyUI Node
Superside Kling 4 Edit Video
Kling 4 Edit Video on fal. Returns a native VIDEO plus the URL, so SaveVideo or PreviewVideo connects straight in. Endpoint: default - kling/v4/video-to-video/edit fal price (2026-10-30): Video costs $0.094 per second at 720p and $0.141 per second at 1080p, billed on the input plus output length (minimum 2x the output).
Superside Kling 4 Edit Video
- video_url
- image_1
- image_2
- image_3
- image_4
- video_1
- video_2
- video_3
- video_4
- video
- video_url
◄prompt►
◄api_key►
◄voice_ids►
◄duration0►
◄resolution1080p►
◄elements►
CategorySuperside
Inputs (15)
| Name | Type | Default | Description |
|---|---|---|---|
| prompt | STRING | Edit instruction. Reference the source video as @Video1. | |
| video_url | VIDEO | The video to edit (3-30s), referenced as @Video1. Max file size: 300.0MB, Min width: 700px, Min height: 700px, Max width: 4553px, Max height: 4553px, Min aspect ratio: 0.40, Max aspect ratio: 2.50, Min duration: 3.0s, Max duration: 30.05s, Min FPS: 23.9, Max FPS: 60.05, Timeout: 30.0s | |
| api_key | STRING | — | |
| image_1opt | IMAGE | Reference images, referenced as @Image1, @Image2, ... | |
| image_2opt | IMAGE | Reference images, referenced as @Image1, @Image2, ... | |
| image_3opt | IMAGE | Reference images, referenced as @Image1, @Image2, ... | |
| image_4opt | IMAGE | Reference images, referenced as @Image1, @Image2, ... | |
| video_1opt | VIDEO | Reference videos, referenced as @Video2, @Video3, ... (max 4). The source, reference and element videos must total at most 30s. | |
| video_2opt | VIDEO | Reference videos, referenced as @Video2, @Video3, ... (max 4). The source, reference and element videos must total at most 30s. | |
| video_3opt | VIDEO | Reference videos, referenced as @Video2, @Video3, ... (max 4). The source, reference and element videos must total at most 30s. | |
| video_4opt | VIDEO | Reference videos, referenced as @Video2, @Video3, ... (max 4). The source, reference and element videos must total at most 30s. | |
| voice_idsopt | STRING | Voices referenced in the prompt as @Voice1, @Voice2, ... (max 3, including voices bound to elements). Create one with https://fal.ai/models/fal-ai/kling-video/create-voice Comma-separated. | |
| durationopt | INT | 00–30 | Output duration in seconds (3-30). Defaults to the source video's length. 0 = let the model choose. |
| resolutionopt | COMBO | 1080p | Output resolution. |
| elementsopt | STRING | Characters/objects, referenced as @Element1, @Element2, ... (max 7). Up to 3 elements may carry a voice_id and up to 3 may be video elements. JSON, as fal documents this field. |
Outputs (2)
| Name | Type | Description |
|---|---|---|
| video | VIDEO | — |
| video_url | STRING | — |