Comparison

Poetry vs Yarn

No clear leader: Yarn (61.7) and Poetry (58.4) 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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Poetry58
Yarn62
Score
Vioscale score
Poetry58 / 100high · 79%
Yarn62 / 100medium · 71%
Pricing
Free tier
Poetry
Yarn
Model
Price level
Poetryfree
Yarnfree
Transparent
Poetry
Yarn
Integrations
Count
Poetry1
Yarn
Reliability
Status page
Poetry
Yarn
Adoption
Dependent repos
Poetry1,968
Yarn13,468
Github stars
Poetry34,293
Yarn8,100
Package downloads weekly
Activity
Commits last 30d
Poetry8
Yarn18
Release
Cadence days
Poetry34
Yarn15
History
License
Spdx
PoetryMIT
Language
Primary

Capabilities

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

Core
Role
PoetryPackage manager client
YarnPackage manager client
Ecosystem
Ecosystem / language
PoetryPython
YarnJavaScript
Deployment
Deployment
PoetryCLI-local
YarnCLI-local
Formats
Package formats supported
PoetryMany formats
YarnMany formats
Hosting
Private / scoped packages
Poetry
Yarn
Upstream proxy / caching
Poetry-
Yarn-
Resolution
Lockfile / deterministic installs
Poetry
Yarn-
Workspaces / monorepo
Poetry-
Yarn
Content-addressable store
Poetry-
Yarn-
Supply chain
Supply-chain integrity
Poetry-
Yarn-
Vulnerability / licence scanning
Poetry-
Yarn-
Licensing
Openness
PoetryOpen-source
YarnOpen-source
Pricing
Pricing model
PoetryFree / OSS
YarnFree / OSS

What each one is

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

Poetry

A command-line tool that manages Python project dependencies, enforces consistent builds across environments, packages code for distribution, and handles publication to package registries. It includes intelligent conflict resolution for dependencies and creates isolated virtual environments.

Independently observed

Yarn

Yarn is a package manager that functions as both a package and project manager, supporting everything from simple projects to industry monorepos for open source developers and enterprise users.

Independently observed

Pricing

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

Poetry

Free
as of verify ↗

Yarn

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
CLI
Poetry
Yarn
Deployment
Self-hosted
Poetry
Yarn

Integrations

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

Poetry

1 total
  • PyPI
Independently observed

Yarn

Not documented yet.

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

Poetry vs Yarn: an evidence-based comparison · Vioscale