Runway is one of the original names in generative video: a New York research company whose Gen-series models have been used on real film, television, and advertising productions. Its generate-and-animate model on Flux 3 AI carries that creative-tool DNA — it is tuned to take a written idea or a single picture and return a moving shot with a filmic sensibility.
On Flux 3 AI, Runway runs as one flexible endpoint. Describe a scene in text, or upload an image and let the model bring it to life; a reference image and style presets help steer the look. There is no separate mode to configure — the studio routes your inputs for you.
Renders come back as 5 or 10 second clips at 720p or 1080p, and Runway is unusually generous with framing: 16:9, 4:3, 1:1, 3:4, and 9:16 are all supported. That makes it a strong pick when one concept has to ship as a widescreen cut, a square feed post, and a vertical story.
See what's possible on Flux 3 AI
Sample generations from the platform — write your own prompt to see what Runway does with it.
Runway vs similar AI video models
Specs from the live catalog — every model below is available on the same account.
| Spec | Runway | Kling 3.0 | Sora 2 |
|---|---|---|---|
| Max clip length | 10s | 15s | 10s |
| Durations | 5s, 10s | 3s, 5s, 10s, 15s | 10s |
| Resolutions | 720p · 1080p | 720p · 1080p · 2160p | 720p · 1080p |
| Aspect ratios | 5 | 3 | 2 |
| Audio | |||
| Image to video | |||
| Reference images | up to 1 | up to 1 | up to 1 |
| Keyframes | |||
| Negative prompt |
Capabilities reflect what each model supports on Flux 3 AI today.
What makes Runway stand out
Five aspect ratios
Widescreen 16:9, classic 4:3, square 1:1, portrait 3:4, and vertical 9:16 — rare flexibility for multi-platform campaigns.
Animate any still
Feed Runway a photograph, illustration, or render and it generates believable motion from that single frame.
Filmmaker heritage
Runway’s tools are established in professional film and ad pipelines, and its motion aesthetic reflects that background.
Style presets
Apply a look from the Create studio’s preset list instead of engineering it into every prompt by hand.
Popular use cases
Why creators run Runway on Flux 3 AI
- Generate Runway clips with shared credits — no separate Runway subscription stacked on your other tools.
- Run the same brief on Runway and Kling, then judge both takes in a single library.
- The built-in prompt-enhance tool sharpens your idea before Runway spends a single credit on it.
Runway specs & capabilities
Output
- Clip duration5, 10 seconds
- Resolutions720p · 1080p
- Aspect ratios16:9 · 4:3 · 1:1 · 3:4 · 9:16
- Generation modesText to Video · Image to Video
Controls
- Image to video (start frame)
- Reference images
- First & last frame keyframes
- Audio generation
- Negative prompt
- Video input / editing
- Extend video
Runway prompt examples
Copy one as a starting point, or send it straight to the Create studio.
“A vintage convertible glides down a coastal highway at golden hour, aerial drone shot slowly descending toward the road, lens flare, dreamy cinematic color grade”
Shows Runway’s filmic camera language and stylized grading
“Animate this portrait photograph: hair lifting in a gentle breeze, eyes blinking softly, background bokeh shimmering, subtle parallax as the camera drifts right”
A motion instruction for animating a single uploaded still
“A ballet dancer rehearses alone in a dusty warehouse, shafts of morning light, slow orbiting camera, dust particles suspended in the air, melancholic art-film mood”
Tests atmosphere, volumetric light, and graceful human movement
Create with Runway in three steps
Describe your idea
Write a prompt or upload a starting image — the more specific the scene, motion, and style, the better Runway performs.
Pick Runway & settings
Choose duration, resolution, and aspect ratio. The studio shows the exact credit cost before you generate.
Generate & download
Runway renders in the cloud — track progress in your library, then download watermark-free or share with a link.
Runway questions, answered
What is Runway?
Runway is an AI research company best known for pioneering generative video tools used across film and advertising. Flux 3 AI hosts its generate-and-animate video model in the browser, so you can create Runway clips with credits instead of managing a separate subscription or API.
Can Runway turn a picture into a video?
Yes. Upload an image and Runway animates it — the model infers plausible motion for the subject and scene. You can add a text prompt to direct what happens and a style preset to shape the look.
What aspect ratios does Runway support?
Runway on Flux 3 AI renders in 16:9, 4:3, 1:1, 3:4, and 9:16. Few video models offer five framings, which is why teams reformatting one concept for several platforms often reach for Runway first.
How long are Runway videos?
Each Runway generation is 5 or 10 seconds, delivered at 720p or 1080p. Pick the shorter duration to iterate quickly, then commit to a 10-second render once the concept lands.
Does Runway generate audio with the video?
No — Runway’s output here is picture only. If a finished clip needs sound, score it in your editor, or generate on an audio-capable model like Veo 4 and compare results side by side in your Flux 3 AI library.
Runway vs Kling — which should I pick?
Kling models lean toward longer clips and lifelike human motion, while Runway offers more framing options and a distinctly cinematic, stylized feel. Since both run on Flux 3 AI credits, testing the same prompt on each is the fastest way to decide.
Can I use Runway clips in commercial work?
Yes. Videos generated through Flux 3 AI are covered for commercial use under the platform terms, and every download from your library is clean — no watermark to remove before delivery.