Gen-3 Alpha

video

by Runway · Updated November 1, 2025

Gen-3 Alpha is Runway's flagship video generation model with major improvements in fidelity, consistency, and motion quality. It generates highly detailed video clips with fine-grained control over temporal transitions, key-framing, and stylistic elements.

Best For

Creative videoMusic videosFilm pre-visualizationAd conceptsMotion graphics

Prompting Tips

1Gen-3 Alpha supports image-to-video — use a reference frame for consistent results
2Be specific about motion: "camera slowly pans left", "character walks toward camera"
3Describe the beginning AND end state for clearer transitions
4Use film direction language for camera work
5Shorter prompts (1-2 sentences) with strong visual focus work well
6Specify duration: 5s or 10s generations

Syntax & Constraints

Natural language prompts. Supports text-to-video and image-to-video. Duration: 5s or 10s. Aspect ratios: 16:9, 9:16, 1:1. Advanced: motion brush, camera controls.

Example Prompts

👤 Portrait Photography

Cinematic rooftop portrait

A man in a vintage leather jacket stands on a rooftop at dusk, wind tousling his hair. Camera slowly orbits around him as city lights flicker on in the background. Cinematic, moody atmosphere, warm orange and cool blue tones.

cinematicrooftopmoody

🏔 Landscape & Scenery

Drone forest reveal

Drone shot ascending from a dense autumn forest, revealing a vast mountain range with a river winding through the valley. Morning mist clings to the treetops. Warm golden light, slow smooth ascent. Nature documentary style.

droneautumnreveal