Black is a Python code formatter that reformats your code to be more readable and consistent. It's designed to be used as a tool to enforce a consistent coding style across a project or team.
ruff is a Python linter and code formatter that is designed to be extremely fast. It is written in Rust and is capable of handling large codebases with ease. ruff is designed to be highly configurable and can be integrated into a variety of development workflows.
- Easy to use and integrate
- Consistent code formatting
- Supports Python 3.6+ and PyPy
- Customizable formatting options
- Extremely fast
- Highly configurable
- Reliable and accurate
- Free and open-source
- May not support all Python versions
- Can be slow for large codebases
- Limited configuration options for advanced users
- Limited support for older Python versions
- May require additional configuration for complex projects
- Not as widely adopted as some other linters and formatters
More alternatives & similar tools
Alternatives to black
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The Verdict
AI-generated from listing dataRuff offers faster, more configurable linting/formatting for modern Python (3.7+), while Black provides a simpler, widely‑adopted formatter that works from Python 3.6 onward.
Key differences
- •Performance: Ruff is described as "extremely fast" (Rust‑based) versus Black can be "slow for large codebases".
- •Python version support: Ruff supports 3.7+; Black supports 3.6+ and PyPy.
- •Configurability: Ruff is "highly configurable"; Black has "limited configuration options for advanced users".
- •Implementation language: Ruff is written in Rust; Black is written in Python.
- •Support channels: Ruff offers Discord community support in addition to GitHub Issues; Black only lists GitHub Issues.
Pricing & value
Both are free and open‑source, offering comparable monetary value.
Ease of use / learning curve
Black emphasizes "easy to use" with simple CLI, while Ruff may need extra configuration for complex projects.
Features & depth
Ruff provides both linting and formatting, highly configurable; Black focuses solely on formatting with limited options.
Integrations & ecosystem
Both integrate with VS Code, PyCharm and other editors; support lists are comparable.
Collaboration
Ruff offers community Discord support plus GitHub Issues, giving more real‑time collaboration avenues.
Scalability
Ruff's Rust implementation and "extremely fast" claim suggest better performance on large codebases.
Support
Ruff provides both GitHub Issues and Discord community; Black only lists GitHub Issues.
Choose black if…
Teams preferring a simple, opinionated formatter with broader Python version support and minimal setup.
Choose Ruff if…
Teams needing high speed, lint+format, and flexible configuration for Python 3.7+ projects.
Common questions
Is there any cost to use either tool?
Both Ruff and Black are free and open‑source.
Which tool works with older Python versions?
Black supports Python 3.6 and PyPy; Ruff supports Python 3.7 and later.
Which tool offers faster performance on large codebases?
Ruff is described as "extremely fast" (Rust‑based), whereas Black may be slow for large projects.