Comparison

Bun vs crates.io/Cargo

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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Bun74
crates.io/Cargo59
Score
Vioscale score
Bun74 / 100medium · 70%
crates.io/Cargo59 / 100low · 35%
Pricing
Free tier
Bun
crates.io/Cargo
Model
crates.io/Cargofree
Price level
Bunfree
crates.io/Cargofree
Transparent
Bun
crates.io/Cargo
Reliability
Status page
Bun
crates.io/Cargo
Adoption
Dependent repos
crates.io/Cargo9,209
Github stars
crates.io/Cargo15,429
Package downloads weekly
crates.io/Cargo
Activity
Commits last 30d
Bun100
crates.io/Cargo100
Release
Cadence days
Bun14
crates.io/Cargo
History
crates.io/Cargo
License
Spdx
BunMIT
crates.io/CargoApache-2.0
Language
Primary
BunRust
crates.io/CargoRust
Market
Availability
Bun
crates.io/CargoAvailable worldwide

Capabilities

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

Core
Role
BunPackage manager client
crates.io/CargoPackage manager client
Ecosystem
Ecosystem / language
BunJavaScript
crates.io/CargoRust
Deployment
Deployment
BunCLI-local
crates.io/CargoCLI-local
Formats
Package formats supported
BunMany formats
crates.io/CargoSingle ecosystem
Hosting
Private / scoped packages
Bun-
crates.io/Cargo-
Upstream proxy / caching
Bun
crates.io/Cargo-
Resolution
Lockfile / deterministic installs
Bun-
crates.io/Cargo
Workspaces / monorepo
Bun
crates.io/Cargo-
Content-addressable store
Bun-
crates.io/Cargo-
Supply chain
Supply-chain integrity
Bun
crates.io/Cargo-
Vulnerability / licence scanning
Bun
crates.io/Cargo-
Licensing
Openness
Bun-
crates.io/CargoOpen-source
Pricing
Pricing model
BunFree / OSS
crates.io/CargoFree / OSS

What each one is

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

Bun

Leader

Bun is a JavaScript runtime and development toolkit designed as a fast alternative to Node.js with built-in package management, testing, and bundling capabilities. It can be adopted incrementally into existing Node.js projects or used as a complete replacement for development tooling.

Independently observed

crates.io/Cargo

An open-source package manager and build system that handles fetching project dependencies and compiling Rust code. It is the official package management solution for the Rust ecosystem.

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
FreeFree tier
as of verify ↗

crates.io/Cargo

FreeFree tier

Free and open source

as of verify ↗

Platform & deployment

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

Platforms
macOS
Bun
crates.io/Cargo
Windows
Bun
crates.io/Cargo
Linux
Bun
crates.io/Cargo
CLI
Bun
crates.io/Cargo
Deployment
Self-hosted
Bun
crates.io/Cargo

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