Comparison

Bun vs pip

On the evidence we track, Bun leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Bun full profile →pip full profile →

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

★Bun74

pip63

Attribute comparison across 2 tools
Attribute	BunLeader	pip
vioscaleAI score	74 / 100medium · 56%	63 / 100medium · 65%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	free
Price levelpricing.price_level	free	free
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	-	0
Security
Scorecardsecurity.scorecard	-	6.5
Vulnerabilitiessecurity.vulnerabilities	Count: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bun&per_page=100 · Last 12m: 0 · Max severity: HIGH	Count: 13 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pip&per_page=100 · Last 12m: 5 · Max severity: HIGH
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	21,486	35,613
Github starsadoption.github_stars	96,235	10,293
Package downloads weeklyadoption.package_downloads_weekly	3,990,852	102,236,751
Activity
Commits last 30dactivity.commits_last_30d	100	26
Release
Cadence daysrelease.cadence_days	14	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	Rust	Python
Content
Faqcontent.faq	5 items	5 items

Score

vioscaleAI score

Bun74 / 100medium · 56%

pip63 / 100medium · 65%

Pricing

Free tier

Bun✓

pip✓

Model

Bunopen_source

pipfree

Price level

Bunfree

pipfree

Transparent

Bun–

pip✓

Integrations

Count

Bun–

pip0

Security

Scorecard

Bun–

pip6.5

Vulnerabilities

BunCount: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bun&per_page=100 · Last 12m: 0 · Max severity: HIGH

pipCount: 13 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pip&per_page=100 · Last 12m: 5 · Max severity: HIGH

Reliability

Status page

Bun–

pip✓

Adoption

Dependent repos

Bun21,486

pip35,613

Github stars

Bun96,235

pip10,293

Package downloads weekly

Bun3,990,852

pip102,236,751

Activity

Commits last 30d

Bun100

pip26

Release

Cadence days

Bun14

pip–

History

Bun20 items

pip–

License

Spdx

BunMIT

pipMIT

Language

Primary

BunRust

pipPython

Content

Faq

Bun5 items

pip5 items

Capabilities

Feature-by-feature on the axes that matter for package registries. “-” means undocumented, not absent.

Capability comparison for Package Registries
Capability	Bun	pip
Core
Role	Package manager client	Package manager client
Ecosystem
Ecosystem / language	JavaScript	Python
Deployment
Deployment	CLI-local	CLI-local
Formats
Package formats supported	Many formats	Single ecosystem
Hosting
Private / scoped packages	✓	✓
Upstream proxy / caching	✓	✓
Resolution
Lockfile / deterministic installs	✓	✓
Workspaces / monorepo	✓	✗
Content-addressable store	✓	✗
Supply chain
Supply-chain integrity	✓	✗
Vulnerability / licence scanning	✓	✗
Licensing
Openness	Open-source	Open-source
Pricing
Pricing model	Free / OSS	Free / OSS

Core

Role

BunPackage manager client

pipPackage manager client

Ecosystem

Ecosystem / language

BunJavaScript

pipPython

Deployment

BunCLI-local

pipCLI-local

Formats

Package formats supported

BunMany formats

pipSingle ecosystem

Hosting

Private / scoped packages

Bun✓

pip✓

Upstream proxy / caching

Bun✓

pip✓

Resolution

Lockfile / deterministic installs

Bun✓

pip✓

Workspaces / monorepo

Bun✓

pip✗

Content-addressable store

Bun✓

pip✗

Supply chain

Supply-chain integrity

Bun✓

pip✗

Vulnerability / licence scanning

Bun✓

pip✗

Licensing

Openness

BunOpen-source

pipOpen-source

Pricing

Pricing model

BunFree / OSS

pipFree / OSS

What each one is

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

Bun

Leader

A JavaScript runtime that executes TypeScript natively using JavaScriptCore, bundling a package manager, bundler, and test runner with Node.js compatibility and npm ecosystem support.

Independently observed

pip

A centralized platform where Python developers publish libraries and tools for others to discover and use in their projects

Independently observed

Pricing

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

Bun

Leader

Open sourceFree tier

Free and open source

as of 2026-10-14verify ↗

pip

FreeFree tier

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	Bun	pip
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓

Platforms

macOS

Bun✓

pip✗

Windows

Bun✓

pip✗

Linux

Bun✓

pip✗

CLI

Bun✓

pip✓

Deployment

Cloud / SaaS

Bun✓

pip✗

Self-hosted

Bun✓

pip✓

Still deciding?

Bun or pip: 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.