Hamilton vs Prefect: Which is Better in 2026?
Choosing between Hamilton and Prefect comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Hamilton
A general-purpose framework to write dataflows using regular Python functions.
Best for you if:
- • You need something completely free
- • You need ETL & data pipelines features specifically
- • Builds dataflows from regular Python functions into a Directed Acyclic Graph (DAG).
- • Offers a UI for visualizing, cataloging, and monitoring dataflows and lineage.
Prefect
Modern workflow orchestration platform
Best for you if:
- • You need workflow automation features specifically
- • Prefect is a modern data workflow orchestration platform
- • It schedules and monitors Python data pipelines with observability
| At a Glance |  Hamilton |  Prefect |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | ETL & Data Pipelines | Workflow Automation |
Rating | 4.6/5 | 4.5/5 |
Choose Hamilton or Prefect?
Choose Hamilton if
A general-purpose framework to write dataflows using regular Python functions.
- Facilitates collaboration with flat dataflows and clear dependencies
- Reduces development time through reusability of dataflows
- Prevents vendor lock-in with flexible integration options
- You want a fully free tool (Prefect requires payment)
- Your work is ETL & data pipelines-shaped, not workflow automation-shaped
Choose Prefect if
Modern workflow orchestration platform
- Modern workflow orchestration
- Python native
- Good UI
- Your work is workflow automation-shaped, not ETL & data pipelines-shaped
| Feature | Hamilton | Prefect |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.6/5 8 reviews | ★4.5/5 124 reviews |
| Categories | ETL & Data PipelinesWorkflow Automation | Workflow AutomationETL & Data Pipelines |
In-Depth Analysis
Hamilton
A general-purpose framework to write dataflows using regular Python functions.
Strengths
- +Facilitates collaboration with flat dataflows and clear dependencies
- +Reduces development time through reusability of dataflows
- +Prevents vendor lock-in with flexible integration options
- +Scales dataflows seamlessly via remote execution and specialized engines
- +Provides clear visualization and documentation directly from code
Weaknesses
- -Requires type-annotated Python functions
- -Currently in incubation phase (Apache Incubating)
Key features
Prefect
Modern workflow orchestration platform
Strengths
- +Modern workflow orchestration
- +Python native
- +Good UI
- +Open source core
- +Active development
Weaknesses
- -Learning curve
- -Cloud expensive
- -Migration from v1 to v2
- -Documentation gaps
- -Smaller than Airflow
Key features
Pricing: Hamilton vs Prefect
| Plan | Hamilton | Prefect |
|---|---|---|
| Tier 1 | N/A | Free Free |
| Tier 2 | N/A | $450 month Pro |
| Tier 3 | N/A | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Hamilton pricing and Prefect pricing.
Who Should Use What?
On a budget?
Hamilton is free. Prefect is freemium.
Go with: Hamilton
Want the highest-rated option?
Hamilton: 4.6/5 (8 reviews). Prefect: 4.5/5 (124 reviews).
Go with: Hamilton
Value user reviews?
Hamilton: 8 reviews (4.6/5). Prefect: 124 reviews (4.5/5).
Go with: Prefect
3 Questions to Help You Decide
What's your budget?
Hamilton is free. Prefect is freemium. Go with Hamilton if free matters most.
What's your use case?
Hamilton is a ETL & data pipelines tool. Prefect is in workflow automation. Pick the category that matches your needs.
How important are ratings?
Hamilton is rated higher: 4.6/5 vs 4.5/5.
Key Takeaways
Prefect
- Larger review base (124 reviews)
- Free tier available
- Our pick for this comparison
Hamilton
- Completely free
- Higher user rating: 4.6/5 vs 4.5/5
- Better fit for ETL & data pipelines
The Bottom Line
Prefect is our pick. That said, Hamilton is free, hard to beat on price.
Frequently Asked Questions
Is Hamilton or Prefect better?
Prefect is rated in our evaluation. Hamilton is free and Prefect is freemium.
What are Hamilton and Prefect used for?
Hamilton: A general-purpose framework to write dataflows using regular Python functions.. Prefect: Modern workflow orchestration platform.
What does Hamilton cost vs Prefect?
Hamilton is completely free. Prefect is freemium (free tier + paid plans). Visit their websites for detailed pricing.