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Knockout API vs OBS AI Matting

Both stand on video background removal software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Knockout API

Free plan APIWeb

Knockout API combines a broad set of image tools with asynchronous video background removal and developer clients. Review the monthly image and request limits, and the listed plan prices, against your workload.

Visit Knockout API

OBS AI Matting

Free plan Linux

Choose OBS AI Matting if you use OBS on Linux and want real-time background matting with controls for blur, light matching, and quality. Look elsewhere if Linux is not your platform or your setup does not meet the listed requirements for a GPU-based workflow.

Visit OBS AI Matting

The facts

Knockout APIOBS AI Matting
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, WebLinux
Lowest paid planKnockout Plus: $10 a monthFree or on request
Plans published41
MakerNot publishedNot published
Websiteuseknockout.comgithub.com
On video background removal software#11 of 24#15 of 24

Knockout API: what it does well

  • Browser Canvas supports layered designs with text and effects.
  • Free account can save canvases and cutouts.
  • Image uploads are not used for model training.
  • Official Node, React, Python and CLI options are listed.
  • Video background removal supports asynchronous job polling.

What to know first

  • Free usage is limited to 30 images monthly.
  • Free usage is limited to 60 requests per minute.
  • Pay-as-you-go video removal costs $0.10 per output second.

OBS AI Matting: what it does well

  • Free and open-source under GPL-2.0.
  • Supports background blur and replacement with OBS sources.
  • Auto light match adjusts exposure and white balance.
  • Offers three quality settings: 384, 512, or 720.
  • Interface follows OBS language, with English and Spanish available.

What to know first

  • Linux is the only listed platform.
  • The RVM model must be downloaded separately.
  • Real-time use is recommended with a GPU.
  • Manual installations may need rebuilding after ONNX Runtime upgrades.

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