Multi-scene ads
Plan the scenes of a spot in one flow instead of generating each clip on its own.
Runway Gen-4.5
Fast generation, built for multi-scene work.
Runway Gen-4.5 is Runway's video model for multi-scene workflows. On Magnific it generates 720p video from a start frame with a customizable seed, for about 219 credits per second.
What makes it different
Built for multi-scene work
Multi-scene workflows
Plan a sequence of scenes in one flow instead of generating each clip on its own.
Custom seed
Set a custom seed to get the same result again from the same prompt and image.
Start from your image
Start from your own image and Gen-4.5 animates from that first frame.
720p output
Videos render at 720p.
In practice
Keep a sequence consistent
Use the same seed to keep a look across scenes.
Start each scene from a frame of the previous one.
Specs
Specs and credits
| Resolution | 720p |
|---|---|
| Start from | Your own image as the first frame |
| Seed | Custom seed to repeat a result |
| Credits | About 1,450 per video, around 219 per second |
Other models
Gen-4 Turbo
Use cases
What to make with Gen-4.5
Consistent sequences
Reuse the same seed and start each scene from a frame of the previous one.
Fast iterations with Turbo
Test an idea on Gen-4 Turbo, faster and about half the cost per second, then move to Gen-4.5.
Questions, answered
What is Runway Gen-4.5?
Runway Gen-4.5 is Runway's fast video model for multi-scene work. You can start from your own image, set a custom seed to repeat a result, and render at 720p.
How much does Runway Gen-4.5 cost?
About 1,450 credits per video on average, around 219 credits per second.
Can I reuse a result?
Yes. Set a custom seed and Gen-4.5 repeats the result from the same prompt and image.