
Choosing a sandbox runtime for long-lived coding agents
How we evaluated sandbox providers for coding agents, what we chose for now, and the trade-offs behind that decision.
orchestrators
Compare ZenML and Prefect, two powerful workflow orchestration tools, and discover how ZenML's ML-centric features and seamless integration with the MLOps ecosystem can revolutionize your machine learning pipelines. While Prefect offers a flexible and user-friendly platform for building and managing data workflows, ZenML takes it a step further by providing a specialized solution tailored for ML pipelines. Explore ZenML's intuitive pipeline definition, built-in experiment tracking, and extensive integrations with ML frameworks and tools, empowering you to streamline your end-to-end ML workflows and accelerate your journey to production-ready models.



| Feature | ZenML | Prefect |
|---|---|---|
| ML-Centric Design | Yes Purpose-built for machine learning workflows | Not supported General-purpose workflow orchestration |
| Experiment Tracking | Yes Built-in experiment tracking and comparison | Not supported Relies on external tools for experiment tracking |
| Model Registry | Yes Integrated model registry for versioning and deployment | Not supported No built-in model registry |
| Hyperparameter Tuning | Yes Native support for hyperparameter tuning | Not supported Requires custom implementation |
| ML Framework Integration | Yes Deep integration with popular ML frameworks (scikit-learn, TensorFlow, PyTorch) | Yes Supports integration with various ML frameworks |
| Pipeline Definition | Yes Clean and intuitive pipeline definition using Python decorators | Yes Flexible pipeline definition using Python |
| Task Parallelism | Yes Supports parallel execution of pipeline steps | Yes Enables parallel execution of tasks |
| Data Versioning | Yes Integrates with data versioning tools for reproducibility | Not supported No built-in data versioning support |
| Cloud Integration | Yes Built-in support for deploying pipelines to cloud platforms | Yes Supports deployment to various cloud platforms |
| Workflow Scheduling | Yes Schedules and triggers ML pipeline runs | Yes Robust scheduling and orchestration of workflows |
Code comparison
from zenml import pipeline, step
from zenml.integrations import mlflow
@step
def preprocess_data(data):
# Preprocess the data
preprocessed_data = ...
return preprocessed_data
@step
def train_model(preprocessed_data):
# Train the model
model = ...
return model
@step
def evaluate_model(model, test_data):
# Evaluate the model
metrics = ...
mlflow.log_metrics(metrics)
return metrics
@pipeline
def ml_pipeline(data, test_data):
preprocessed_data = preprocess_data(data)
model = train_model(preprocessed_data)
metrics = evaluate_model(model, test_data)
# Run the pipeline
ml_pipeline(data, test_data)from prefect import task, Flow
from prefect.tasks.ml import mlflow
@task
def preprocess_data(data):
# Preprocess the data
preprocessed_data = ...
return preprocessed_data
@task
def train_model(preprocessed_data):
# Train the model
model = ...
return model
@task
def evaluate_model(model, test_data):
# Evaluate the model
metrics = ...
mlflow.log_metrics(metrics)
return metrics
with Flow("ml_pipeline") as flow:
data = ...
test_data = ...
preprocessed_data = preprocess_data(data)
model = train_model(preprocessed_data)
metrics = evaluate_model(model, test_data)
# Run the pipeline
flow.run()ZenML is purpose-built for machine learning workflows, offering a range of ML-specific features such as experiment tracking, model registry, and hyperparameter tuning, which are not natively available in Prefect.
ZenML provides a clean and intuitive way to define ML pipelines using Python decorators, making it easy to encapsulate and reuse pipeline components across different projects and experiments.
ZenML offers deep integration with popular ML frameworks like scikit-learn, TensorFlow, and PyTorch, as well as seamless integration with other MLOps tools, enabling end-to-end orchestration of ML workflows.
With built-in support for data versioning and lineage tracking, ZenML ensures reproducibility, traceability, and governance of your ML pipelines, facilitating compliance and collaboration.
ZenML's extensible architecture allows you to customize and extend its functionality to fit your specific ML workflow requirements, providing flexibility and adaptability as your needs evolve.
Orchestrator Showdown

ML-optimized workflow management. Enhance scalability and usability with comprehensive features designed for ML pipeline orchestration.
ZenML is an open-source alternative to Argo Workflows for ML pipelines with built-in metadata, lineage, and reproducibility
Dagster alternative: Streamline ML ops with intuitive pipelines. Seamless integrations and experiment tracking for efficient ML workflow management.
Databricks alternative: Flexible ML orchestration without vendor lock-in. Accelerate ML with lightweight, adaptable workflows across multiple clouds.
Flyte alternative: Agile ML pipeline orchestration. Accelerate workflows with intuitive tools, seamless MLOps integration, and rapid iteration.

Kedro alternative: Scalable, user-friendly ML framework. Streamline operations with robust features for efficient project management and deployment.

Kubeflow alternative: Lightweight ML pipeline management. Simplify MLOps with flexible, user-friendly workflows across various environments.

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Experience the power of ZenML's ML-centric design and features tailored for machine learning workflows Define and orchestrate your ML pipelines with ease using ZenML's intuitive and reusable components Seamlessly integrate ZenML with your favorite ML frameworks and MLOps tools for end-to-end workflow management Ensure reproducibility, traceability, and governance of your ML pipelines with ZenML's built-in lineage tracking and versioning capabilities