flake8 vs Qlty
On the evidence we track, flake8 leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
flake8
Leaderflake8 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.
Qlty
A code quality and coverage platform combining linting, auto-formatting, security scanning, duplication detection, and code coverage analysis with AI-powered fix suggestions, deployed as a cloud service with a local CLI.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Qlty
Free plan available. Pro from $20/contributor/month. Enterprise $30/contributor/month with volume discounts (5% off 100+ seats, 10% off 200+ seats annually).
- FreeFree
- Linting & auto-formatting
- Code coverage
- Maintainability & duplication
- Open, extensible Rust CLI
- Unlimited private/public contributors
- +1 more
- Pro$20/contributor/month
- Everything from Free
- Shared configurations
- Trends & hotspots
- One year of history
- Accelerated analysis
- +10 more
- EnterpriseContact sales
- Everything from Pro
- Advanced analytics
- Organization policies
- Custom permissions
- Audit logs
- +6 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
flake8
Leader- pycodestyle
- pyflakes
- mccabe
- pre-commit
Qlty
- GitHub
- Visual Studio Code
- GitHub Actions
- CircleCI
- Chrome
- Firefox
flake8 or Qlty: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.