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npm vs PartyKit

npm logo

npm

Web Development

Package manager for JavaScript

From
Free
Free plan
Yes
Full reviewWebsite
P

PartyKit

Developer Tools

Platform for building and deploying realtime multiplayer servers on the edge

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: npm private packages require a paid user or organization account; the free registry publishes publicly only; PartyKit documentation and FAQ material on the marketing site is sparse compared to larger realtime platforms.
  • They diverge on capability: npm covers Package installation, PartyKit covers Stateful edge servers.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which npm and PartyKit actually diverge.

Attributes where npm and PartyKit differ
AttributenpmPartyKit
PlatformsWindows, Macos, Linuxweb, api
CategoryWeb DevelopmentDeveloper Tools
Founded2014Unknown

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in npm

  • Package installation
  • Dependency management
  • Version management
  • Script running
  • Package publishing
  • Security auditing
  • Package discovery
  • CLI interface

Only in PartyKit

  • Stateful edge servers
  • WebSocket-first API
  • CRDT library compatibility
  • Framework integrations
  • Global edge deployment
  • Custom domains

What people use each for

The jobs each tool is most often brought in to do.

npm

  • Package managementnot PartyKit
  • Dependency installationnot PartyKit
  • Project scaffoldingnot PartyKit
  • Build automationnot PartyKit
  • Package publishingnot PartyKit
  • Version controlnot PartyKit

PartyKit

  • Multiplayer collaborative appsnot npm
  • Realtime AI agent backendsnot npm
  • Live cursors and presencenot npm
  • Collaborative whiteboards and documentsnot npm

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

npm

  • Private packages require a paid user or organization account; the free registry publishes publicly only

PartyKit

  • Documentation and FAQ material on the marketing site is sparse compared to larger realtime platforms.
  • Commercial free tier requires deploying to the user's own Cloudflare account, adding setup complexity.
  • Storage on the free Individual plan clears every 24 hours, limiting it to prototyping rather than persistent production data.
  • Smaller ecosystem and community than more established realtime infrastructure providers.

Pricing, plan by plan

npm

Free
  • FreeFree
    • Unlimited public packages
    • Package discovery
    • npm CLI
  • Pro$7/month
    • Unlimited private packages
    • Package analytics
    • Support
  • Teams$7/month
    • Team management
    • Organization packages
    • Audit logs

PartyKit

Free
  • IndividualFree
    • Up to 10 live projects
    • Deploy to the global edge platform
    • Storage clears every 24 hours
  • CommercialFree
    • Unlimited projects
    • Custom domains
    • Runs on your own Cloudflare account; pay only Cloudflare usage

Which should you pick?

Choose npm if

  • You need package installation.
  • You want to start without paying.
  • You work on Windows, Macos, Linux.
  • You also want dependency management.
npm review

Choose PartyKit if

  • You need stateful edge servers.
  • You want to start without paying.
  • You work on web, api.
  • You also want websocket-first api.
PartyKit review

Questions people ask

Is npm or PartyKit better?
Neither clearly leads. npm starts at Free and PartyKit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, npm or PartyKit?
npm starts at Free and PartyKit at Free.
Does npm or PartyKit run on more platforms?
npm runs on Windows, Macos, Linux. PartyKit runs on web, api.
Can I use npm for free?
Both have a free tier, so you can try either at no cost before committing.
What is npm best used for?
npm is most often used for package management, dependency installation, project scaffolding, build automation. Of those, package management and dependency installation are not what PartyKit is typically brought in for.
What can npm do that PartyKit cannot?
npm covers Package installation, Dependency management, Version management, Script running. PartyKit covers Stateful edge servers, WebSocket-first API, CRDT library compatibility, Framework integrations.

Answered from the vendors’ own pages

PartyKit: How much does PartyKit cost?

PartyKit is completely free. Both the Individual and Commercial plans have no upfront costs.

Source
PartyKit: What is PartyKit's Individual plan?

The Individual plan is free and includes deployment to a global edge platform, support for up to 10 live projects, and is suitable for small projects. Storage is cleared every 24 hours.

Source
PartyKit: What is PartyKit's Commercial plan?

The Commercial plan is free but requires deploying to your own Cloudflare account. It includes custom domains, unlimited projects, and you pay only your Cloudflare usage costs.

Source
PartyKit: Can I upgrade from Individual to Commercial plan?

Yes, both plans are free but offer different feature sets. The Commercial plan removes project restrictions but requires managing your own Cloudflare infrastructure.

Source
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Related pages

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