Comparison

pre-commit vs Psalm

No clear leader: pre-commit (66.1) and Psalm (63.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

pre-commit full profile →Psalm full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

pre-commit66

Psalm64

Attribute comparison across 2 tools
Attribute	pre-commit	Psalm
vioscaleAI score	66 / 100medium · 70%	64 / 100low · 42%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✓	✓
Security
Scorecardsecurity.scorecard	4.7	4.7
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pre-commit&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=vimeo%2Fpsalm&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	35,684	15,920
Github starsadoption.github_stars	15,626	5,896
Package downloads weeklyadoption.package_downloads_weekly	33,971,661	-
Activity
Commits last 30dactivity.commits_last_30d	16	100
Release
Cadence daysrelease.cadence_days	57	1
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	Python	PHP
Content
Faqcontent.faq	5 items	5 items

Score

vioscaleAI score

pre-commit66 / 100medium · 70%

Psalm64 / 100low · 42%

Pricing

Free tier

pre-commit✓

Psalm✓

Model

pre-commitcommercial

Psalmcommercial

Price level

pre-commitfree

Psalmfree

Transparent

pre-commit✓

Psalm✓

Security

Scorecard

pre-commit4.7

Psalm4.7

Vulnerabilities

pre-commitCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pre-commit&per_page=100 · Last 12m: 0

PsalmCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=vimeo%2Fpsalm&per_page=100 · Last 12m: 0

Reliability

Status page

pre-commit✓

Psalm–

Adoption

Dependent repos

pre-commit35,684

Psalm15,920

Github stars

pre-commit15,626

Psalm5,896

Package downloads weekly

pre-commit33,971,661

Psalm–

Activity

Commits last 30d

pre-commit16

Psalm100

Release

Cadence days

pre-commit57

Psalm1

History

pre-commit20 items

Psalm20 items

License

Spdx

pre-commitMIT

PsalmMIT

Language

Primary

pre-commitPython

PsalmPHP

Content

Faq

pre-commit5 items

Psalm5 items

Capabilities

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

Capability comparison for Code Quality Tools
Capability	pre-commit	Psalm
Core
Function	Meta-runner	Static analyzer
Language scope	Multi-language	Single-language
Implementation language	Python	PHP
Capability
Autofix	✗	✓
Config
Config model	Config file	Config file
Extensibility
Custom rules	✓	✓
Deployment
Deployment	CLI-local	CLI-local
Delivery
Editor integration	✗	✓
CI / VCS gating	✓	✓
Insight
Code metrics	✗	✓
Performance
Incremental / monorepo aware	✗	-
Licensing
Open-source	OSS	OSS
Commercial
Pricing model	Free	Free

Core

Function

pre-commitMeta-runner

PsalmStatic analyzer

Language scope

pre-commitMulti-language

PsalmSingle-language

Implementation language

pre-commitPython

PsalmPHP

Capability

Autofix

pre-commit✗

Psalm✓

Config

Config model

pre-commitConfig file

PsalmConfig file

Extensibility

Custom rules

pre-commit✓

Psalm✓

Deployment

pre-commitCLI-local

PsalmCLI-local

Delivery

Editor integration

pre-commit✗

Psalm✓

CI / VCS gating

pre-commit✓

Psalm✓

Insight

Code metrics

pre-commit✗

Psalm✓

Performance

Incremental / monorepo aware

pre-commit✗

Psalm-

Licensing

Open-source

pre-commitOSS

PsalmOSS

Commercial

Pricing model

pre-commitFree

PsalmFree

What each one is

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

pre-commit

Manages Git pre-commit hooks written in various languages, automatically running code checks to detect issues like missing semicolons, trailing whitespace, and debug statements before code review.

Independently observed

Psalm

Psalm scans PHP codebases to discover potential problems and includes Psalter, a tool for automatically fixing identified issues with configurable safety measures and PHP version targeting.

Independently observed

Pricing

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

pre-commit

Free

as of 2026-08-14verify ↗

Psalm

Open sourceFree tier

Free and open-source. Optional paid support contracts available.

Open SourceFree

as of 2026-08-03verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	pre-commit	Psalm
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	✓

Platforms

macOS

pre-commit✓

Psalm✗

Windows

pre-commit✓

Psalm✗

Linux

pre-commit✓

Psalm✗

CLI

pre-commit✓

Psalm✓

Deployment

Self-hosted

pre-commit✓

Psalm✓

Still deciding?

pre-commit or Psalm: 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.