Comparison

mypy vs SpotBugs

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.

mypy full profile →SpotBugs full profile →

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

★mypy69

SpotBugs55

Attribute comparison across 2 tools
Attribute	mypyLeader	SpotBugs
vioscaleAI score	69 / 100medium · 66%	55 / 100low · 48%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	open_source	open_source
Price levelpricing.price_level	free	free
Integrations
Countintegrations.count	1	3
Security
Scorecardsecurity.scorecard	6.8	4.5
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=mypy&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.github.spotbugs%3Aspotbugs-annotations&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	52,771	2,768
Github starsadoption.github_stars	20,682	3,954
Package downloads weeklyadoption.package_downloads_weekly	42,892,033	-
Activity
Commits last 30dactivity.commits_last_30d	100	72
Release
Cadence daysrelease.cadence_days	-	27
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	LGPL-2.1
Language
Primarylanguage.primary	Python	Java
Content
Faqcontent.faq	3 items	6 items

Score

vioscaleAI score

mypy69 / 100medium · 66%

SpotBugs55 / 100low · 48%

Pricing

Free tier

mypy–

SpotBugs✓

Model

mypyopen_source

SpotBugsopen_source

Price level

mypyfree

SpotBugsfree

Integrations

Count

mypy1

SpotBugs3

Security

Scorecard

mypy6.8

SpotBugs4.5

Vulnerabilities

mypyCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=mypy&per_page=100 · Last 12m: 0

SpotBugsCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.github.spotbugs%3Aspotbugs-annotations&per_page=100 · Last 12m: 0

Reliability

Status page

mypy–

SpotBugs✓

Adoption

Dependent repos

mypy52,771

SpotBugs2,768

Github stars

mypy20,682

SpotBugs3,954

Package downloads weekly

mypy42,892,033

SpotBugs–

Activity

Commits last 30d

mypy100

SpotBugs72

Release

Cadence days

mypy–

SpotBugs27

History

mypy–

SpotBugs20 items

License

Spdx

mypy–

SpotBugsLGPL-2.1

Language

Primary

mypyPython

SpotBugsJava

Content

Faq

mypy3 items

SpotBugs6 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	mypy	SpotBugs
Core
Function	Type checker	Static analyzer
Language scope	Single-language	Single-language
Implementation language	Python	Java
Capability
Autofix	✗	✗
Config
Config model	-	Rule packs
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

mypyType checker

SpotBugsStatic analyzer

Language scope

mypySingle-language

SpotBugsSingle-language

Implementation language

mypyPython

SpotBugsJava

Capability

Autofix

mypy✗

SpotBugs✗

Config

Config model

mypy-

SpotBugsRule packs

Extensibility

Custom rules

mypy✗

SpotBugs✓

Deployment

mypyCLI-local

SpotBugsCLI-local

Delivery

Editor integration

mypy✓

SpotBugs✓

CI / VCS gating

mypy✓

SpotBugs✓

Insight

Code metrics

mypy✗

SpotBugs-

Performance

Incremental / monorepo aware

mypy✓

SpotBugs-

Licensing

Open-source

mypyOSS

SpotBugsOSS

Commercial

Pricing model

mypyFree

SpotBugsFree

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

SpotBugs

SpotBugs performs static analysis on Java code to identify potential bugs and code quality issues.

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 2026-08-14verify ↗

SpotBugs

Open source

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	mypy	SpotBugs
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓

Platforms

CLI

mypy✓

SpotBugs✓

Deployment

Self-hosted

mypy✓

SpotBugs✓

On-premise

mypy✗

SpotBugs✓

Integrations

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

In common (1)

VS Code

mypy

Leader

1 total - 0 not shared

VS Code

Independently observed

SpotBugs

7 total - 6 not shared

Maven
Gradle
Eclipse
Ant
fb-contrib
find-sec-bugs

Independently observed

Still deciding?

mypy or SpotBugs: 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.