Knockout API vs Slazzer
| Knockout API | Slazzer | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $0.02/mo | Free |
| Open source | No | No |
| Platforms | api, Web | api, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Paid from | — | Free |
| Replacement backgrounds | — | Yes |
| Batch processing | — | Yes |
| API access | — | Yes |
| Maximum output resolution | — | 6,250 px |
| Monthly image allowance | — | 100 images/mo |
| Export formats | — | PNG, JPG, JPEG, WEBP |
| Commercial use | — | Yes |
Both are listed in Best AI Background Removers, Best Green Screen Software. On Samsung Mobile US Press, Slazzer scores higher on our published basis.