Comparison

mypy vs Qlty

On the evidence we track, mypy leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★mypy69
Qlty54
Score
vioscaleAI score
mypy69 / 100medium · 66%
Qlty54 / 100low · 49%
Pricing
Free tier
mypy–
Qlty✓
Model
Price level
mypyfree
Qltymid
Starting price
mypy–
Qlty$20
Transparent
mypy–
Qlty✓
Integrations
Count
mypy1
Qlty6
Reliability
Status page
mypy–
Qlty✓
Adoption
Dependent repos
mypy52,771
Qlty0
Github stars
mypy20,682
Qlty3,186
Package downloads weekly
Qlty–
Activity
Commits last 30d
mypy100
Qlty45
Release
Cadence days
mypy–
Qlty2
History
mypy–
Language
Primary
mypyPython
QltyC
Market
Content
Faq

Capabilities

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

Core
Function
mypyType checker
QltyQuality platform
Language scope
mypySingle-language
QltyMulti-language
Implementation language
mypyPython
QltyRust
Capability
Autofix
mypy✗
Qlty✓
Config
Config model
mypy-
QltyConfig file
Extensibility
Custom rules
mypy✗
Qlty✓
Deployment
Deployment
mypyCLI-local
QltyBoth
Delivery
Editor integration
mypy✓
Qlty✓
CI / VCS gating
mypy✓
Qlty✓
Insight
Code metrics
mypy✗
Qlty✓
Performance
Incremental / monorepo aware
mypy✓
Qlty✓
Licensing
Open-source
mypyOSS
QltyOpen-core
Commercial
Pricing model
mypyFree
QltyPer-contributor

What each one is

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

mypy

Leader

A static type checker that analyzes Python code to catch type errors before runtime. Supports gradual typing, allowing you to mix static and dynamic typing and incrementally add type hints to existing codebases.

Independently observed

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.

Independently observed

Pricing

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

mypy

Leader
Open source
as of verify ↗

Qlty

from $20/contributor/moHybridFree tier

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
as of verify ↗

Platform & deployment

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

Platforms
Web
mypy✗
Qlty✓
macOS
mypy✗
Qlty✓
Windows
mypy✗
Qlty✓
Linux
mypy✗
Qlty✓
CLI
mypy✓
Qlty✓
Deployment
Cloud / SaaS
mypy✗
Qlty✓
Self-hosted
mypy✓
Qlty✗

Integrations

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

mypy

Leader
1 total
  • VS Code
Independently observed

Qlty

6 total
  • GitHub
  • Visual Studio Code
  • GitHub Actions
  • CircleCI
  • Chrome
  • Firefox
Independently observed
Still deciding?

mypy 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.