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Apache NiFi vs Prefect: catalog facts
Apache NiFi	Prefect
Free Free and open source as an Apache Software Foundation project.	Freemium Open source core is free; the hosted platform has a free start and paid plans.
Web, Self-hosted	Web, Self-hosted, Command line
Browser-based visual flow designer Full data provenance and lineage tracking	Plain Python decorators define flows and tasks Built-in retries and scheduling
Built for server deployments rather than personal use Takes some effort to learn and operate	Aimed at Python users Some features belong to the paid hosted platform
Downloadable app, Self-hosted	Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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