OpenStems Models
Model resources for the OpenStems native C++ separation engine. CPU and NVIDIA editions use the same model weights. This release preserves the FP32 GGUF files used by OpenStems for Windows on 2026-09-21.
Download files
Each ZIP contains one GGUF file. ZIP compression reduces download size without changing the model bytes or precision.
| Model | Download | Extracted file | Extracted bytes |
|---|---|---|---|
| T400 | T400-478978733353.zip | T400.gguf | 270145408 |
| B400 | B400-aa162a2eca9f.zip | B400.gguf | 206407520 |
| BS Karaoke | karaoke-4804181ac76c.zip | karaoke.gguf | 204258848 |
| BS SW | sw-68bed29111b6.zip | sw.gguf | 698768832 |
model-files.json records the exact archive and extracted-file sizes and SHA-256 checksums. Separate .sha256 files are also supplied. Installers should pin a repository commit and verify both the download and extracted model against the manifest.
Use
The OpenStems installer downloads and verifies the required resources automatically. Fast uses T400, Pro uses B400, and Ultra selects the required Karaoke/SW recipe. These are model resources for the OpenStems native runtime; a .gguf extension alone does not guarantee compatibility with another runtime.
The model files remain subject to their respective applicable upstream terms. Packaging and format conversion do not replace those terms or establish a new license for the weights.
中文说明
本仓库存放 OpenStems 原生 C++ 分离引擎使用的四个模型。CPU 与 NVIDIA 版本共用同一份权重，保留当前 FP32 GGUF 精度。ZIP 仅用于无损压缩下载，解压后的模型字节保持不变。安装器应使用固定提交版本，并按清单校验下载包及解压后的模型文件。