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runwayml/gen4-aleph
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A new way to edit, transform and generate video
Capabilities
Reference ImagesSeed
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt* | string | Text prompt for video generation | — | — |
video* | string(uri) | Input video to generate from. Videos must be less than 16MB. Only 5s of the input video will be used. | — | — |
aspect_ratio | string | Video aspect ratio | "16:9" | 16:99:164:33:41:121:9 |
reference_image | string(uri) | Reference image to influence the style or content of the output. | — | — |
seed | integer | Random seed. Set for reproducible generation | — | — |
promptrequiredstringText prompt for video generation
videorequiredstringInput video to generate from. Videos must be less than 16MB. Only 5s of the input video will be used.
aspect_ratiostringVideo aspect ratio
Default:
"16:9"16:99:164:33:41:121:9
reference_imagestringReference image to influence the style or content of the output.
seedintegerRandom seed. Set for reproducible generation
Version:
68cabc3b111fUpdated: 7/25/2026248.9K runs