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Black vs YAPF: catalog facts
Black	YAPF
Free Free and open source under the MIT licence.	Free Free and open source under the Apache-2.0 license.
Windows, macOS, Linux, Command line	Command line
Deterministic output with minimal configuration Produces small diffs that ease code review	Formats Python files to a configured style Can be integrated with editor plugins
Deliberately few options, so the style cannot be tuned much Python only	The project describes its release as beta It formats Python only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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