Gen-4.5 Aleph
Runway
· gen-4-5-aleph
Video Editing
Production
Recommended, Highest Quality, Best for Agencies
In-context video editing — restyle, relight, remove and extend existing footage with prompts.
Best use cases: Video editing, VFX, post-production for agencies
9.1
Quality
6.5
Speed
5.5
Cost Eff.
8.5
Brand Safety
9.5
Control
8.8
Adherence
Input cost
—
Output cost
—
Generation cost
$0.30 / second
Max context / duration
Up to 30s per pass
Aspect ratios
Preserves source
Resolutions
Up to 4K
Input types
Video + text instructions
Output types
Video
API endpoint
api.dev.runwayml.com
Commercial use
Allowed
Data retention
Enterprise zero retention
Regions available
Global
API connected
Connected
Last updated
Release date
Documentation