Open-Source Platforms

MLflow

Open Source

Industry-standard experiment tracking and model registry with broad ecosystem support

Experiment tracking and metrics logging
Model registry and versioning
Multiple framework support (TF, PyTorch, SKlearn)
REST API and Python SDK
Pricing
Free (self-hosted)
Infrastructure costs: ~$200-500/month (AWS/GCP)
Best for:
Teams starting with MLOps, broad framework compatibility needed

Kubeflow

Open Source

Kubernetes-native ML platform for end-to-end orchestration and deployment

Pipeline orchestration (Kubeflow Pipelines)
Distributed training (TFJob, PyTorchJob)
Multi-tenant notebook servers
KServe for model serving
Pricing
Free (self-hosted on K8s)
Infrastructure costs: ~$800-2000/month (K8s cluster)
Best for:
Kubernetes-native teams, complex distributed training workflows

Metaflow

Open Source

Netflix's ML infrastructure framework focused on data science workflow productivity

Python-first API design
Built-in versioning and artifact storage
AWS Batch, Kubernetes, and local execution
Automatic dependency management
Pricing
Free (open source)
Infrastructure costs: ~$300-800/month (compute)
Best for:
Data scientists who prefer code-first workflows, AWS environments

Commercial Platforms

Databricks ML

Commercial

Unified analytics platform with integrated MLflow and collaborative notebooks

Managed MLflow with auto-logging
Feature store and model serving
AutoML and hyperparameter tuning
Unity Catalog for governance
Pricing
$0.40-0.75/DBU + compute costs
Typical cost: ~$3,000-8,000/month for small teams
Best for:
Data + ML teams on same platform, Spark-based workflows

Weights & Biases

Commercial

Developer-first MLOps platform with exceptional experiment tracking and visualization

Interactive experiment dashboards
Hyperparameter sweeps and optimization
Model and dataset versioning
Team collaboration and reports
Pricing
Free tier available
Team plan: $50/user/month, Enterprise: Custom pricing
Best for:
Research teams, deep learning projects, visual experiment tracking

Vertex AI

Commercial

Google Cloud's fully managed ML platform with AutoML and custom training

Managed notebooks (JupyterLab, Workbench)
Vertex Pipelines (Kubeflow-based)
Feature Store and Model Monitoring
Integrated with GCP services
Pricing
Pay-per-use (compute + storage)
Training: $0.40-3.00/hour, Prediction: $0.08-0.50/hour/node
Best for:
GCP-native teams, AutoML needs, managed infrastructure

Feature Comparison Matrix

Feature MLflow Kubeflow Databricks W&B Vertex AI
Experiment Tracking
Model Registry
Pipeline Orchestration
Distributed Training
Feature Store
Model Serving
AutoML
Model Monitoring
Setup Complexity Low High Low Very Low Low