Create compositing mattes in seconds with Aleph 2.0

Mattes let you isolate a subject from its background so you can composite, color or apply effects to just one part of your shot.

1. Upload your video
2. Prompt for a white silhouette on black
3. Review your preview
4. Hit… pic.twitter.com/EN1dCS53P0

— Runway (@runwayml) 1 juin 2026

Create compositing mattes in seconds with Aleph 2.0 Mattes let you isolate a subject from its background so you can composite, color or apply effects to just one part of your shot. 1. Upload your video
2. Prompt for a white silhouette on black
3. Review your preview
4. Hit

→ View original post on X — @runwayml