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OBS AI Matting
What it is
OBS AI Matting is a free, open-source Linux filter for OBS Studio that removes, blurs, or replaces webcam backgrounds in real time. It runs Robust Video Matting through ONNX Runtime and CUDA on the GPU to create soft, temporally stable cutouts. Transparent mode lets OBS image, video, or color sources appear behind the camera, while a built-in mode blurs the background. Auto light match adjusts exposure and white balance to follow a selected OBS background source or scene. Controls include blur strength, brightness, gamma, matte hardness, and quality settings of 384, 512, or 720. The interface supports English and Spanish and follows OBS language settings. Requirements include OBS Studio 28 or later, ONNX Runtime with CUDA, an NVIDIA GPU with CUDA and cuDNN, CMake, and a C++17 compiler. A roughly 107 MB RVM model must be downloaded separately. CPU fallback is available when CUDA is unavailable or fails.
For and against
For
- Removes, blurs, or replaces backgrounds
- Supports OBS image and video sources
- Includes exposure and white-balance matching
- Offers adjustable quality settings
- Provides CPU fallback
Against
- Linux only
- Requires an NVIDIA CUDA setup
- RVM model must be downloaded separately
- Manual installs need rebuilding after ONNX upgrades
The verdict
OBS AI Matting adds configurable AI background processing to OBS on Linux. It offers several background modes and controls, but setup depends on specific software, hardware, and a separate model download.
Who it suits
It suits Linux OBS users who want real-time webcam background removal, blur, or replacement. It is aimed at systems meeting the listed NVIDIA, CUDA, and OBS requirements.
Plans and prices
Free, open-source
OBS Studio filter for Linux; RVM model must be downloaded separately
Read 8 Oct 2026 · github.com
On the record
- Auto light match
- Auto light match adjusts the subject’s exposure and white balance to follow a selected OBS background source or scene.github.com · read 8 Oct 2026
- Background modes
- Transparent mode supports OBS image, video, or color sources behind the camera, and a built-in mode blurs the background.github.com · read 8 Oct 2026
- Compatibility caveat
- The README says manual installations must be rebuilt after ONNX Runtime upgrades or the filter may stop loading in OBS.github.com · read 8 Oct 2026
- Controls
- Per-filter controls include blur strength, brightness and gamma, matte hardness, and quality settings of 384, 512, or 720.github.com · read 8 Oct 2026
- CPU fallback
- If CUDA is unavailable or fails to initialize, the filter falls back to CPU; the project recommends a GPU for real-time use.github.com · read 8 Oct 2026
- Installation
- The README recommends installation through its Arch Linux package and also documents a manual CMake build and install.github.com · read 8 Oct 2026
- Licensing
- The plugin is released under GPL-2.0, while the separately downloaded RVM model is GPL-3.0.github.com · read 8 Oct 2026
- Localization
- The interface is available in English and Spanish and follows the OBS language automatically.github.com · read 8 Oct 2026
- Matting model
- It runs Robust Video Matting through ONNX Runtime and CUDA to produce soft edges and temporally stable cutouts.github.com · read 8 Oct 2026
- Model download
- The roughly 107 MB RVM model is required but not bundled and must be downloaded separately.github.com · read 8 Oct 2026
- Purpose
- The open-source OBS Studio filter removes, blurs, or replaces webcam backgrounds in real time using AI video matting on the GPU.github.com · read 8 Oct 2026
- Requirements
- The project lists OBS Studio 28 or later, ONNX Runtime with CUDA, an NVIDIA GPU with CUDA and cuDNN, CMake, and a C++17 compiler as requirements.github.com · read 8 Oct 2026
- Support and contributions
- The maintainer welcomes issues, feature requests, and pull requests through the project repository.github.com · read 8 Oct 2026
