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Install ONNX Runtime

See the installation matrix for recommended instructions for desired combinations of target operating system, hardware, accelerator, and language.

Details on OS versions, compilers, language versions, dependent libraries , etc can be found under Compatibility.

Contents

Inference

The following build variants are available as officially supported packages. Others can be built from source from each release branch.

  1. Default CPU Provider
  2. GPU Provider - NVIDIA CUDA
  3. GPU Provider - DirectML (Windows) - recommended for optimized performance and compatibility with a broad set of GPUs on Windows devices
Repository Official build Nightly build
Python If using pip, run pip install --upgrade pip prior to downloading.  
  CPU: onnxruntime ort-nightly (dev)
  GPU: onnxruntime-gpu ort-gpu-nightly (dev)
C#/C/C++ CPU: Microsoft.ML.OnnxRuntime ort-nightly (dev)
  GPU: Microsoft.ML.OnnxRuntime.Gpu ort-nightly (dev)
Java CPU: com.microsoft.onnxruntime/onnxruntime  
  GPU: com.microsoft.onnxruntime/onnxruntime_gpu  
nodejs CPU: onnxruntime  

Note: Dev builds created from the master branch are available for testing newer changes between official releases. Please use these at your own risk. We strongly advise against deploying these to production workloads as support is limited for dev builds.

Requirements

Training

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