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Deep Learning Software

Alternatives to ONNX Runtime

ONNX Runtime is a free runtime for accelerating machine-learning training and inference inside existing technology stacks. It accepts models from PyTorch, Hugging Face, TensorFlow/Keras, TFLite, scikit-learn and other frameworks, then improves inference with graph optimizations, accelerator partitioning and optimized kernels. Execution Providers connect ONNX models to CPUs, GPUs, FPGAs and specialized NPUs, including CUDA, TensorRT, OpenVINO, CoreML, NNAPI and WebGPU. Deployments can target cloud servers, edge and mobile devices, browsers, Android, iOS, Linux, macOS and Windows. It also supports generative models, on-device training, and custom web or mobile packages.

  1. 01 Lightning AI Studios

    The Free plan is described for students, researchers, and hobbyists; Pro for developers, researchers, and scientists; and Teams for research labs and small teams.

    From $20/mo Free plan Web · Windows · macOS · Linux
    9.1 Visit Specs
  2. 02 Apache TVM

    It suits machine-learning developers who need to compile pre-trained models for varied deployment targets and customize optimization in Python.

    Free plan Open source Web · Windows · macOS · Linux
    9.0 Visit Specs
  3. 03 Paperspace Gradient

    Gradient suits people and groups developing or serving machine learning models, from individual engineers and researchers to teams and startups.

    From $8/mo Free plan Open source Web · Windows · macOS · Linux
    8.8 Visit Specs
  4. 04 Deeplearning4j

    It suits professional Java developers familiar with production deployments, IDEs, and automated build tools.

    Free plan Windows · macOS · Linux · API
    8.7 Visit Specs
  5. 05 Ludwig

    Ludwig suits beginners who want to configure models in YAML or use auto_train(), as well as experts who want to customize PyTorch components.

    Free plan Windows · macOS · Linux · API
    8.5 Visit Specs
  6. 06 JAX
    Free plan Windows · macOS · Linux · Self-hosted
    8.3 Visit Specs
  7. 07 Apache SINGA

    It suits teams training models locally or across distributed GPU setups, especially those using Python, C++, ONNX, or on-premises deployment.

    Free plan Windows · macOS · Linux · Self-hosted
    8.2 Visit Specs
  8. 08 Caffe
    Free plan Windows · macOS · Linux · Self-hosted
    8.1 Visit Specs
  9. 09 fastai
    Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  10. 10 Horovod
    Free plan macOS · Linux · API · Self-hosted
    8.1 Visit Specs
  11. 11 DeepSpeed
    Free plan macOS · Linux · Self-hosted
    8.0 Visit Specs
  12. 12 NVIDIA Triton Inference Server

    Triton suits individuals developing AI inference deployments and enterprises serving models in production.

    From $375/mo Free plan Windows · Linux · API · Self-hosted
    8.0 Visit Specs
  13. 13 Chainer
    Windows · macOS · Linux · API
    7.9 Visit Specs
  14. 14 MegEngine

    MegEngine suits developers building deep learning models through training and deployment, from beginners to advanced users.

    Free plan Windows · macOS · Linux · iOS
    7.9 Visit Specs
  15. 15 Kubeflow Trainer
    Free plan Linux · API · Self-hosted
    7.7 Visit Specs
  16. 16 MLX
    Free plan macOS · Linux · iOS
    7.6 Visit Specs
  17. 17 NVIDIA TensorRT
    Free plan Windows · Linux · Self-hosted
    7.6 Visit Specs
  18. 18 Keras
    Windows · macOS · Linux
    7.5 Visit Specs
  19. 19 NVIDIA cuDNN
    Free plan Windows · Linux · Self-hosted
    7.5 Visit Specs
  20. 20 NVIDIA TAO Toolkit
    Free plan Linux · Self-hosted
    7.5 Visit Specs
  21. 21 TensorFlow

    TensorFlow may suit developers building machine-learning models for server, edge, web, or mobile deployment.

    Free plan Web · Windows · macOS · Linux
    7.5 Visit Specs
  22. 22 tinygrad

    tinygrad suits Python users building or training neural networks who want a free framework with multiple accelerator options.

    Free plan Web · Windows · macOS · Linux
    7.5 Visit Specs
  23. 23 PaddlePaddle
    Windows · macOS · Linux · API
    7.4 Visit Specs
  24. 24 Ray Train
    Free plan Windows · macOS · Linux · Self-hosted
    7.4 Visit Specs
  25. 25 Valohai
    Free trial Web · Linux · API · Self-hosted
    7.4 Visit Specs
  26. 26 MindSpore
    Windows · macOS · Linux · Self-hosted
    7.3 Visit Specs
  27. 27 OpenVINO

    OpenVINO suits developers building or deploying deep learning models across Intel hardware and varied environments.

    Free plan Web · Windows · macOS · Linux
    7.3 Visit Specs
  28. 28 PyTorch
    Windows · macOS · Linux · iOS
    7.3 Visit Specs
  29. 29 Tarantella
    Linux · Self-hosted
    6.9 Visit Specs
  30. 30 Azure Machine Learning

    Azure Machine Learning suits teams needing web-based forecasting, evaluation, automated learning or model deployment.

    Web
    6.5 Visit Specs

Choosing instead of ONNX Runtime

Readers may prefer another tool when they need model compilation, a complete model-building framework, hosted GPU workspaces, classroom assessment or declarative experimentation. TVM changes pre-trained models into deployable modules, while TensorFlow and MegEngine cover training as well as inference. Gradient and AI Studio provide browser-based collaborative compute and serving. Ludwig emphasizes configurable multimodal training and fine-tuning. MATLAB Grader addresses instructors and student assignments. Compare whether you need a runtime, compiler, training environment or managed workspace, then check supported platforms, deployment targets and pricing. Windows developers should also note DirectML’s sustained-engineering status and the recommendation to use WinML for new projects.

ONNX Runtime, head to head