Runway
Runway Gen-4.5 and Aleph 2
Gen-4.5 is known for style and aesthetic consistency; Aleph 2 edits an existing video instead of generating one — object removal, light and season changes, style transfer. Neither needs a subscription in Ryna AI.
Open Video StudioSpecs
| Tier | Resolution | Duration | Aspect | Audio | Credits / s |
|---|---|---|---|---|---|
| Runway Gen-4.5 | 720p | 3–10 s | 16:9, 9:16 | No | 720p: 7 |
| Runway Aleph 2Premium (purchased credits) | 720p | 5–10 s | 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16, 21:9 | No | 720p: 17 |
Best for
- Stylized, artistic clips
- Changing objects/backgrounds in existing footage (Aleph)
- Visual-language tests for ads
- Short loops
Strengths
- Strong style consistency
- Aleph 2: video-to-video editing
- 3–10 seconds
- Reference images
Limits
- 720p
- Aleph 2 is premium with a 34-credit minimum ($0.56 floor)
- No audio
How to use it
- 1.Pick Gen-4.5 under the Style filter.
- 2.Add a style preset (film noir, anime, watercolor…).
- 3.For edits, open Tools › Edit video, choose Aleph and upload the source.
- 4.Say what should change: 'remove the person on the left', 'make it night'.
Example prompts
“1970s film noir, a detective in a hat on a rainy street, high-contrast black and white”
“Flying fish in watercolor, pastel tones, slow orbit”
“Aleph: turn this video into night, street lamps on”
Use cases
Related pages
Frequently asked questions
- What does Aleph 2 do?
- It edits an existing video from a prompt: remove/add objects, change weather or time, transfer style. Upload a source or pick a studio generation.
- Why is Aleph premium?
- The provider's floor is high ($0.56 per request); it unlocks with purchased credits, 34 credits minimum.
- Gen-4.5 vs Seedance?
- Gen-4.5 for aesthetics and style control, Seedance for duration and audio.
Open Video Studio
20 welcome credits for new accounts. No subscription.
Open Video Studio