All models

RunwayML Gen-4.5

runwayml/gen-4.5
RunwayML Video GenerationImage-to-VideoCinematic

RunwayML's video generation model supporting both text-to-video and image-to-video with customizable duration, aspect ratio, and content moderation controls.

Quick start

# Inspect the price — a plain request returns the 402 challenge:
curl -i https://api.glianalabs.com/v1/infer \
  -H "content-type: application/json" \
  -d '{
    "model": "runwayml/gen-4.5",
    "prompt": "<your prompt>"
  }'

# Pay + run in one step with the mppx CLI (create a wallet: npx mppx account create):
npx mppx https://api.glianalabs.com/v1/infer \
  -J '{"model": "runwayml/gen-4.5", "prompt": "<your prompt>"}'

Examples

Parameters

Input
prompt string required

Text prompt describing what should appear in the video

content_moderation object optional

Content moderation settings

duration integer optional default: 5

Video duration in seconds

image_input string optional

HTTPS URL, Runway URI, or data URI containing an image for image-to-video

ratio string optional default: "1280:720"

Resolution/aspect ratio of the output video

seed integer optional

Random seed for reproducible results

Output
video: URL to the generated video