Knockout API vs Robust Video Matting
| Knockout API | Robust Video Matting | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $0.02/mo | — |
| Open source | No | No |
| Platforms | api, Web | Linux |
| Free plan | Yes | Yes |
| Background replacement | Yes | — |
| Background blur | Yes | — |
| Foreground isolation | Yes | — |
| Max export resolution | 1080p | — |
| Maximum clip length | 30 min | — |
| Video input formats | mp4, mov, avi, webm, mkv | — |
Both are listed in Best AI Video Background Removers. On Samsung Mobile US Press, Knockout API scores higher on our published basis.