Comparison

Black vs flake8

On the evidence we track, Black leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Black73
flake858
Score
Vioscale score
Black73 / 100high · 78%
flake858 / 100medium · 66%
Pricing
Free tier
Black
flake8
Model
Price level
Blackfree
flake8free
Transparent
Black
flake8
Integrations
Count
Black8
flake83
Adoption
Dependent repos
Black105,588
flake8
Github stars
Black41,816
flake83,819
Package downloads weekly
Activity
Commits last 30d
Black29
flake84
Release
Cadence days
Black31
flake8
History
flake8
License
Spdx
BlackMIT
flake8MIT
Language
Primary
BlackPython
flake8Python

Capabilities

Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.

Core
Function
BlackFormatter
flake8Linter
Language scope
BlackSingle-language
flake8Single-language
Implementation language
BlackPython
flake8Python
Capability
Autofix
Black
flake8
Config
Config model
BlackZero-config
flake8Config file
Extensibility
Custom rules
Black
flake8
Deployment
Deployment
BlackBoth
flake8CLI-local
Delivery
Editor integration
Black
flake8
CI / VCS gating
Black
flake8
Insight
Code metrics
Black
flake8
Performance
Incremental / monorepo aware
Black
flake8-
Licensing
Open-source
BlackOSS
flake8OSS
Commercial
Pricing model
BlackFree
flake8Free

What each one is

The product in its own terms, so the numbers below have context.

Black

Leader

An opinionated Python code formatter that automatically reformats code according to a standardized style. It produces minimal diffs for cleaner code review and reduces developer cognitive load by removing formatting decisions, allowing focus on code logic.

Independently observed

flake8

flake8 is an open-source Python linter that combines multiple style-checking tools to verify code compliance with PEP 8 and detect errors. It uses a plugin architecture for extensibility and is commonly integrated into development workflows and CI/CD pipelines.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Black

Leader
Open sourceFree tier

Free and open source (MIT licensed)

as of verify ↗

flake8

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
CLI
Black
flake8
Deployment
Self-hosted
Black
flake8

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Black

Leader
8 total
  • Neovim
  • conform.nvim
  • ALE
  • SublimeText
  • Pre-commit
  • Jupyter Notebooks
  • blacken-docs
  • blackdoc
Independently observed

flake8

3 total
  • pycodestyle
  • pyflakes
  • mccabe
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.