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Open Source
Tool Comparison
Ray
Scale Python AI workloads from laptop to cluster — distributed training and serving.
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At a Glance
| Attribute | Ray | Kubeflow |
|---|---|---|
| License / Pricing | Open Source | Free |
| Type | ai | ai |
| GitHub Stars | — | — |
| Rating | 4.5/5 | 4.2/5 |
| Key Features | 6 listed | 6 listed |
| Integrations | 5 listed | 5 listed |
| Categories | MLOps | MLOps |
Key Features
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
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
Real-World Use Cases
Ray
Distributed fine-tuning of a large model
Wrap your training function with @ray.remote
Kubeflow
End-to-end ML pipeline on Kubernetes
Define pipeline components as Python functions with @component
Integrations
Ray
mlflowwandbkubeflowkuberneteshuggingface
Kubeflow
kubernetesmlflowwandbraydocker
🏆 Which should you choose?
Choose Ray if…
- → you need a fully open-source, self-hosted solution with no vendor lock-in
Choose Kubeflow if…
- → you want a managed or commercial offering with enterprise support and SLAs