{
  "schemaVersion": 4,
  "channel": "stable",
  "appVersion": "0.1.03",
  "runtimeVersion": "0.0.13",
  "publishedAt": "2026-09-16T13:23:52Z",
  "platforms": {
    "windows": {
      "base": {
        "url": "https://github.com/sdevil7th/OpenStudio/releases/download/ai-runtime-v0.0.13/OpenStudio-AI-Runtime-windows-base-x64.zip",
        "sha256": "8af3e2847c9cd71f71977eb9f48b96d44cdd57c8023aa89af642f2c8b0d97799",
        "size": 38152919,
        "fileName": "OpenStudio-AI-Runtime-windows-base-x64.zip"
      },
      "backends": {
        "directml": {
          "backend": "directml",
          "installPlan": {
            "schemaVersion": 1,
            "id": "windows-directml-v2",
            "backend": "directml",
            "platform": "windows",
            "architecture": "x64",
            "pythonFamily": "3.11",
            "packageSource": "repo-pinned-ace-diffusers",
            "steps": [
              {
                "type": "pip_install",
                "description": "Installing DirectML stem separation packages",
                "stepLabel": "Installing DirectML stem separation packages",
                "features": [
                  "stemSeparation"
                ],
                "downloadHint": "OpenStudio is downloading the DirectML backend packages for Windows.",
                "isLargeDownload": true,
                "packages": [
                  "audio-separator[dml]==0.41.1"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing ACE-Step Diffusers runtime dependencies",
                "stepLabel": "Installing ACE-Step Diffusers runtime dependencies",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "diffusers==0.39.0",
                  "transformers==4.57.6",
                  "accelerate==1.12.0",
                  "soundfile",
                  "numpy",
                  "huggingface_hub>=0.34,<1.0"
                ],
                "errorCode": "music_generation_runtime_install_failed",
                "nonFatalForStemSeparation": true
              }
            ]
          }
        },
        "cuda": {
          "backend": "cuda",
          "installPlan": {
            "schemaVersion": 1,
            "id": "windows-cuda-cu128-v2",
            "backend": "cuda",
            "platform": "windows",
            "architecture": "x64",
            "pythonFamily": "3.11",
            "packageSource": "repo-pinned-windows-acceleration-manifest",
            "steps": [
              {
                "type": "pip_install",
                "description": "Installing GPU stem separation packages",
                "stepLabel": "Installing GPU stem separation packages",
                "features": [
                  "stemSeparation",
                  "audioGeneration"
                ],
                "packages": [
                  "audio-separator[gpu]==0.41.1"
                ]
              },
              {
                "type": "pip_uninstall",
                "description": "Removing default PyTorch wheels before applying the CUDA overlay",
                "stepLabel": "Removing default PyTorch wheels",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "torch",
                  "torchvision",
                  "torchaudio"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing CUDA-capable PyTorch wheels from the official PyTorch index",
                "stepLabel": "Downloading CUDA PyTorch wheels",
                "features": [
                  "audioGeneration"
                ],
                "downloadHint": "This is the largest Windows AI download and can take several minutes depending on your connection.",
                "isLargeDownload": true,
                "indexUrl": "https://download.pytorch.org/whl/cu128",
                "packages": [
                  "torch==2.11.0+cu128",
                  "torchaudio==2.11.0+cu128"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing ACE-Step Diffusers runtime dependencies",
                "stepLabel": "Installing ACE-Step Diffusers runtime dependencies",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "diffusers==0.39.0",
                  "transformers==4.57.6",
                  "accelerate==1.12.0",
                  "soundfile",
                  "numpy",
                  "huggingface_hub>=0.34,<1.0"
                ],
                "errorCode": "music_generation_runtime_install_failed",
                "nonFatalForStemSeparation": true
              }
            ]
          }
        }
      }
    },
    "macos": {
      "arm64": {
        "url": "https://github.com/sdevil7th/OpenStudio/releases/download/ai-runtime-v0.0.13/OpenStudio-AI-Runtime-macos-arm64.zip",
        "sha256": "bd8c45329a0d71eae7152be98aa698844812ea4e09b2e186e5a9ae420731fdef",
        "size": 335171834,
        "fileName": "OpenStudio-AI-Runtime-macos-arm64.zip"
      }
    },
    "linux": {
      "x64": {
        "url": "https://github.com/sdevil7th/OpenStudio/releases/download/ai-runtime-v0.0.13/OpenStudio-AI-Runtime-linux-cpu-x64.zip",
        "sha256": "0ee9ab6b12691f98909e11acc185df1f6558d5682fb709d64f6dc979af501f86",
        "size": 553408441,
        "fileName": "OpenStudio-AI-Runtime-linux-cpu-x64.zip"
      },
      "backends": {
        "cuda": {
          "backend": "cuda",
          "installPlan": {
            "steps": [
              {
                "type": "pip_install",
                "description": "Installing GPU stem separation packages",
                "stepLabel": "Installing GPU stem separation packages",
                "features": [
                  "stemSeparation",
                  "audioGeneration"
                ],
                "packages": [
                  "audio-separator[gpu]==0.41.1"
                ]
              },
              {
                "type": "pip_uninstall",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "torch",
                  "torchvision",
                  "torchaudio"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing CUDA-capable PyTorch wheels",
                "stepLabel": "Installing CUDA PyTorch wheels",
                "features": [
                  "audioGeneration"
                ],
                "indexUrl": "https://download.pytorch.org/whl/cu128",
                "packages": [
                  "torch==2.11.0+cu128",
                  "torchaudio==2.11.0+cu128"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing ACE-Step Diffusers runtime dependencies",
                "stepLabel": "Installing ACE-Step Diffusers runtime dependencies",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "diffusers==0.39.0",
                  "transformers==4.57.6",
                  "accelerate==1.12.0",
                  "soundfile",
                  "numpy",
                  "huggingface_hub>=0.34,<1.0"
                ],
                "errorCode": "music_generation_runtime_install_failed",
                "nonFatalForStemSeparation": true
              }
            ]
          }
        },
        "rocm": {
          "backend": "rocm",
          "installPlan": {
            "steps": [
              {
                "type": "pip_install",
                "description": "Installing CPU stem separation packages",
                "stepLabel": "Installing CPU stem separation packages",
                "features": [
                  "stemSeparation"
                ],
                "packages": [
                  "audio-separator[cpu]==0.41.1"
                ]
              },
              {
                "type": "pip_uninstall",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "torch",
                  "torchvision",
                  "torchaudio"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing ROCm-capable PyTorch wheels",
                "stepLabel": "Installing ROCm PyTorch wheels",
                "features": [
                  "audioGeneration"
                ],
                "indexUrl": "https://download.pytorch.org/whl/rocm6.2",
                "packages": [
                  "torch==2.5.1",
                  "torchaudio==2.5.1"
                ]
              },
              {
                "type": "pip_install",
                "description": "Installing ACE-Step Diffusers runtime dependencies",
                "stepLabel": "Installing ACE-Step Diffusers runtime dependencies",
                "features": [
                  "audioGeneration"
                ],
                "packages": [
                  "diffusers==0.39.0",
                  "transformers==4.57.6",
                  "accelerate==1.12.0",
                  "soundfile",
                  "numpy",
                  "huggingface_hub>=0.34,<1.0"
                ],
                "errorCode": "music_generation_runtime_install_failed",
                "nonFatalForStemSeparation": true
              }
            ]
          }
        }
      }
    }
  }
}