Comparison

pre-commit vs Psalm

No leader: the top candidate Psalm has only 0.33 confidence (low), below the 0.35 needed to declare a winner. 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 formatsJSON Markdown GraphQLor send Accept: application/json

pre-commit68

Psalm73

Attribute comparison across 2 tools
Attribute	pre-commit	Psalm
Vioscale score	68 / 100medium · 73%updating	73 / 100low · 33%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✓	✓
Security
Scorecardsecurity.scorecard	4.6	4.5
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	15,536	5,884
Package downloads weeklyadoption.package_downloads_weekly	42,454,729	-
Activity
Commits last 30dactivity.commits_last_30d	13	-
Release
Cadence daysrelease.cadence_days	57	1
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	Python	PHP

Score

Vioscale score

pre-commit68 / 100medium · 73%updating

Psalm73 / 100low · 33%updating

Pricing

Free tier

pre-commit✓

Psalm✓

Model

pre-commitcommercial

Psalmcommercial

Price level

pre-commitfree

Psalmfree

Transparent

pre-commit✓

Psalm✓

Security

Scorecard

pre-commit4.6

Psalm4.5

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-commit15,536

Psalm5,884

Package downloads weekly

pre-commit42,454,729

Psalm–

Activity

Commits last 30d

pre-commit13

Psalm–

Release

Cadence days

pre-commit57

Psalm1

History

pre-commit20 items

Psalm20 items

License

Spdx

pre-commitMIT

PsalmMIT

Language

Primary

pre-commitPython

PsalmPHP

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

A framework that automates the execution of code quality checks as git pre-commit hooks, eliminating the need for developers to manually install language-specific dependencies on their machines to run linters and formatters written in any programming language.

Independently observed

Psalm

Psalm is a free, open-source static analyzer for PHP that identifies type-related errors and bugs in codebases at their strictest settings. It can automatically fix many common issues and supports safe coding patterns used in other languages.

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
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	✓

Platforms

CLI

pre-commit✓

Psalm✓

Deployment

Self-hosted

pre-commit✓

Psalm✓

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