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Prefect vs Luigi: catalog facts
Prefect	Luigi
Freemium Open source core is free; the hosted platform has a free start and paid plans.	Free Free and open source, developed by Spotify.
Web, Self-hosted, Command line	Windows, macOS, Linux, Command line
Plain Python decorators define flows and tasks Built-in retries and scheduling	Automatic dependency resolution between tasks Built-in visualisation of pipelines
Aimed at Python users Some features belong to the paid hosted platform	Pipelines must be written in Python Aimed at batch jobs rather than event-driven workflows
Self-hosted, Hosted service	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.