awesome-genmedia Runway Gen4 | Aleph
Generate high-quality videos from text prompts with optional reference images or input video. Supports multiple aspect ratios and reproducible generation with seeds.
Quick Start
curl -X POST https://api.eachlabs.ai/v1/prediction \
-H "Content-Type: application/json" \
-H "X-API-Key: $EACHLABS_API_KEY" \
-d '{
"model": "runway-gen4-aleph",
"version": "0.0.1",
"input": {
"prompt": "A cinematic aerial shot of a futuristic city at night with neon lights reflecting on wet streets",
"aspect_ratio": "1280:720"
}
}'
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
aspect_ratio |
string | 1280:720 |
Video aspect ratio. Options: 1280:720, 720:1280, 1104:832, 832:1104, 960:960, 1584:672 |
prompt |
string | (empty) | Text prompt for video generation. Max length 1000 |
public_figure_moderation |
string | auto |
Public figure moderation level. Options: auto, low |
reference_images |
array | (empty) | Reference image to influence the style or content of the output |
seed |
integer | (empty) | Random seed for reproducible generation |
video_url |
string | (empty) | Input video to generate from. Videos must be less than 16MB. Only 5s of the input is used |
Output
- Type: video
Examples
Cinematic Scene
{
"model": "runway-gen4-aleph",
"version": "0.0.1",
"input": {
"prompt": "A lone astronaut walking across a red desert planet with two suns setting on the horizon, cinematic lighting",
"aspect_ratio": "1280:720",
"seed": 42
}
}
Portrait Video with Reference
{
"model": "runway-gen4-aleph",
"version": "0.0.1",
"input": {
"prompt": "A person walking through a field of wildflowers in slow motion, warm afternoon light",
"aspect_ratio": "720:1280",
"reference_images": ["https://example.com/style-reference.jpg"]
}
}
Video to Video
{
"model": "runway-gen4-aleph",
"version": "0.0.1",
"input": {
"prompt": "Transform into an anime-style animation with vibrant colors",
"video_url": "https://example.com/input-clip.mp4",
"aspect_ratio": "1280:720"
}
}
Related Models
- Runway Act-Two - Performance-driven character animation
- Moonvalley Marey Text to Video - Alternative text-to-video generation
- Pixverse v5 Text to Video - PixVerse video generation