vioscale
Comparison

Biome vs Qlty

On the evidence we track, Biome leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Biome full profile →Qlty full profile →
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★Biome68
Qlty52
Score
Vioscale score
Biome68 / 100high · 77%
Qlty52 / 100medium · 54%
Pricing
Free tier
Biome✓
Qlty✓
Model
Price level
Biomefree
Qltymid
Transparent
Biome–
Qlty✓
Integrations
Count
Biome3
Qlty6
Security
Soc2
Biome–
Qlty✓
Vulnerabilities
Reliability
Status page
Biome–
Qlty✓
Adoption
Dependent repos
Biome587
Qlty0
Github stars
Biome25,652
Qlty3,130
Package downloads weekly
Biome13,959,709
Qlty–
Activity
Commits last 30d
Biome100
Qlty9
Release
Cadence days
Biome7
Qlty4
History
License
Spdx
BiomeApache-2.0
Qlty–
Language
Primary
BiomeRust
QltyRust
Market
Availability

Capabilities

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

Core
Function
BiomeLinter + formatter
QltyQuality platform
Language scope
BiomeMulti-language
QltyMulti-language
Implementation language
Biome-
QltyRust
Capability
Autofix
Biome✓
Qlty✓
Config
Config model
Biome-
QltyConfig file
Extensibility
Custom rules
Biome-
Qlty✓
Deployment
Deployment
BiomeCLI-local
QltyBoth
Delivery
Editor integration
Biome✓
Qlty✓
CI / VCS gating
Biome✓
Qlty✓
Insight
Code metrics
Biome-
Qlty✓
Performance
Incremental / monorepo aware
Biome-
Qlty✓
Licensing
Open-source
BiomeOSS
QltyOpen-core
Commercial
Pricing model
BiomeFree
QltyPer-contributor

What each one is

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

Biome

Leader

A fast command-line tool that formats and lints JavaScript, TypeScript, and web-related file types, combining formatter and linter functionality to streamline development workflows.

Independently observed

Qlty

A code quality platform that automatically analyzes pull requests for linting, formatting, security issues, and code coverage with AI-generated fixes. Supports 40+ languages and integrates with GitHub, IDEs, and CI systems.

Independently observed

Pricing

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

Biome

Leader
FreeFree tier
as of verify ↗

Qlty

from $20/moSubscriptionFree tier

Free plan available. Pro from $20/contributor/month. Enterprise from $30/contributor/month. Annual plans include 2 months free.

  • FreeFree
    • Unlimited public and private repositories
    • Unlimited contributors
    • 1,000 analysis minutes per month
    • 100 AI autofixes per month
    • Linting and auto-formatting
    • +8 more
  • Pro$20/contributor/month. Annual billing includes 2 months free.
    • Everything in Free, plus:
    • Shared configurations
    • Trends and hotspots
    • 1 year of history
    • Accelerated analysis
    • +6 more
  • EnterpriseContact sales
    • Everything in Pro, plus:
    • Advanced analytics
    • Organization policies
    • Custom permissions
    • Audit logs
    • +9 more
as of verify ↗

Platform & deployment

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

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

Integrations

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

Biome

Leader
3 total
  • ESLint
  • TypeScript ESLint
  • Prettier
Independently observed

Qlty

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

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