Showcases

Runway Gen-4.5 Image-to-Video Capability Illustrated: From First Frame to Controllable Camera

Use the Runway Gen-4.5 image-to-video pipeline to make a "capability illustrated" demo clip: first generate a first-frame image with a clear camera position and lighting structure, then use a prompt describing motion and camera movement to push the image forward for 5 seconds, intuitively showing the working method of first-frame anchoring + camera language control. The real input parameters of this pipeline are only four types: prompt (motion and camera description, ≤1000 characters), image_urls (a single first frame, jpeg/png/webp), duration (5/8/10 seconds, default 5), aspect_ratio (default 16:9, the first frame will be center-cropped). In other words, the "control" of image-to-video mainly comes from two points: the composition and lighting given by the first frame, and the explicit description of camera position, height, and movement direction in the prompt. Applicable scenarios: pre-production preview and storyboard validation for film and television, atmosphere shot drafting for brand and product short videos, and quickly turning static keyframes into reviewable dynamic clips in design workflows. Developers can treat this example as a minimal viable input template: one first frame + one motion description + two enum parameters for duration and aspect ratio, and the same type of shot can be reproduced.

Style Image-to-Video · Cinematic · capability-demo

Model Runway Gen 4.5

Reference inputs

image_urls

Try it yourself

Prompt

Try this model

At blue hour, the camera slowly pushes in toward a figure standing alone at the edge of a rain-soaked rooftop; the camera is at chest height and moves forward with a slight upward tilt, shallow depth of field, distant city lights blurred into bokeh, fine rain streaks across the frame, the fabric of the coat lifts in a steady wind, smooth and continuous motion with a stable rhythm, photorealistic cinematic quality, cool teal shadows contrasting with warm sodium-vapor highlights.

Copy the full prompt and adapt it for your own generation.