Runway ML
This page is auto-generated from model configurations. Last updated: 2026-03-13.
This reference lists all available Runway ML image generation models and their parameters. Use these parameter names when calling the Generation API.
Runway Gen 4
Model ID: model_runway-gen4-image-editing
Capabilities: img2img
LLM Markdown: https://app.scenario.com/api/models/model_runway-gen4-image-editing/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
referenceImages | file_array | Yes | `` | - | - | - | Up to 3 reference images. |
prompt | string | Yes | - | - | - | - | Text prompt for image generation |
aspectRatio | string | No | 1920:1080 | - | - | 2112:912, 1808:768, 1680:720, 1920:1080, 1360:768, 1280:720, 1440:1080, 1168:880, 960:720, 1024:1024, 1080:1080, 1080:1440, 720:960, 720:720, 720:1280, 1080:1920 | Aspect ratio for the generated image |
seed | number | No | - | 0 | 2147483647 | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Updated about 4 hours ago