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Tool Comparison

Kubeflow

Kubeflow

Kubernetes-native ML platform — pipelines, training operators, and model serving at scale.

Free
VS
Ray

Ray

Scale Python AI workloads from laptop to cluster — distributed training and serving.

Open Source
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At a Glance

AttributeKubeflowRay
License / PricingFreeOpen Source
Typeaiai
GitHub Stars
Rating4.2/54.5/5
Key Features6 listed6 listed
Integrations5 listed5 listed
Categories
MLOps
MLOps

Key Features

Kubeflow

  • Kubeflow Pipelines for reproducible ML workflows
  • Training Operators for PyTorch, TensorFlow, XGBoost distributed training
  • KServe for standardized model serving with auto-scaling
  • Katib for hyperparameter tuning on Kubernetes
  • JupyterHub integration for notebook environments
  • Multi-user isolation with namespaces

Ray

  • Ray Core — distributed task and actor execution
  • Ray Train — distributed ML training with PyTorch, TensorFlow
  • Ray Serve — scalable model serving with FastAPI integration
  • Ray Tune — distributed hyperparameter tuning
  • KubeRay operator for Kubernetes deployment
  • Anyscale cloud for managed Ray clusters

Real-World Use Cases

Kubeflow

End-to-end ML pipeline on Kubernetes

Define pipeline components as Python functions with @component

Ray

Distributed fine-tuning of a large model

Wrap your training function with @ray.remote

Integrations

Kubeflow

kubernetesmlflowwandbraydocker

Ray

mlflowwandbkubeflowkuberneteshuggingface

🏆 Which should you choose?

Choose Kubeflow if…

  • you want a managed or commercial offering with enterprise support and SLAs
Full Kubeflow guide →

Choose Ray if…

  • you need a fully open-source, self-hosted solution with no vendor lock-in
Full Ray guide →