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Base UI vs shadcn/ui

Base UI logo

Base UI

Libraries

Unstyled accessible React primitives built by the teams behind Radix, Material UI and Floating UI

From
Free
Rated
-
Full reviewWebsite
shadcn/ui logo

shadcn/ui

Web Development

Copy-paste React components you own, not a dependency

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Base UI nothing is styled, so the first weeks produce a functional but unfinished interface, and a team without design capacity will ship something worse looking than a styled library would have given them free.; shadcn/ui no upgrade path: once copied, upstream fixes and improvements are yours to port by hand
  • They diverge on capability: Base UI covers Unstyled primitives, shadcn/ui covers Copy, not install.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Base UI and shadcn/ui actually diverge.

Attributes where Base UI and shadcn/ui differ
AttributeBase UIshadcn/ui
CategoryLibrariesWeb Development

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), platforms (Web), 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 Base UI

  • Unstyled primitives
  • Focus and keyboard management
  • ARIA state handling
  • Collision aware positioning
  • Composable parts
  • Server rendering safe

Only in shadcn/ui

  • Copy, not install
  • Radix primitives
  • Tailwind styling
  • Themeable

What people use each for

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

Base UI

  • Building a design system where the visual language must be entirely your ownnot shadcn/ui
  • Applications with an accessibility conformance obligation that need correct behaviour as the foundationnot shadcn/ui
  • Replacing a styled component library that is being fought rather than usednot shadcn/ui
  • Teams already writing Tailwind who want behaviour without a second opinion about appearancenot shadcn/ui

shadcn/ui

  • Projects already using Tailwind that need accessible components without a theming fightnot Base UI
  • Design systems that will diverge from any library’s defaults anywaynot Base UI
  • Teams who have been burned by breaking changes in component library upgradesnot Base UI

Where each one falls short

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

Base UI

  • Nothing is styled, so the first weeks produce a functional but unfinished interface, and a team without design capacity will ship something worse looking than a styled library would have given them free.
  • The project is young and its APIs have changed between releases, so upgrades need reading rather than accepting, and version pinning is currently a necessity.
  • Component coverage is narrower than the mature styled libraries, so date pickers, tables and rich inputs will still come from elsewhere or be built.
  • There is no commercial support and no conformance certification to point at, so an organisation that must evidence accessibility still has to commission its own audit.
  • Consolidating the Radix and Material UI unstyled efforts here leaves the earlier libraries with an uncertain maintenance future, which is a live risk for the many applications built on Radix through shadcn/ui.

shadcn/ui

  • No upgrade path: once copied, upstream fixes and improvements are yours to port by hand
  • Requires Tailwind and React, so it is not an option outside that stack
  • Component code lives in your repository, which grows it and puts maintenance on your team
  • Its popularity has made the default look recognisable, which undercuts the customisation argument

Pricing, plan by plan

Base UI

Free
  • Base UI$undefined/year
    • MIT licensed and free for commercial use
    • No paid tier, no enterprise edition and no support contract available

shadcn/ui

Free
  • shadcn/uiFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose Base UI if

  • You need unstyled primitives.
  • You want to start without paying.
  • You also want focus and keyboard management.
Base UI review

Choose shadcn/ui if

  • You need copy, not install.
  • You want to start without paying.
  • You also want radix primitives.
shadcn/ui review

Questions people ask

Is Base UI or shadcn/ui better?
Neither clearly leads. Base UI starts at Free and shadcn/ui at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Base UI or shadcn/ui?
Base UI starts at Free and shadcn/ui at Free.
Does Base UI or shadcn/ui run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Base UI for free?
Both have a free tier, so you can try either at no cost before committing.
What is Base UI best used for?
Base UI is most often used for building a design system where the visual language must be entirely your own, applications with an accessibility conformance obligation that need correct behaviour as the foundation, replacing a styled component library that is being fought rather than used, teams already writing tailwind who want behaviour without a second opinion about appearance. Of those, building a design system where the visual language must be entirely your own and applications with an accessibility conformance obligation that need correct behaviour as the foundation are not what shadcn/ui is typically brought in for.
What can Base UI do that shadcn/ui cannot?
Base UI covers Unstyled primitives, Focus and keyboard management, ARIA state handling, Collision aware positioning. shadcn/ui covers Copy, not install, Radix primitives, Tailwind styling, Themeable.

Answered from the vendors’ own pages

Base UI: Does this replace Radix UI?

It is where much of the same maintenance attention has moved. If you are on Radix, watch its release activity rather than assuming continuity.

shadcn/ui: Is shadcn/ui free?

Yes, open source and free for commercial use.

Base UI: What does it affect for shadcn/ui users?

shadcn/ui components are built on Radix primitives, so the health of Radix is your dependency question, not a theoretical one.

shadcn/ui: Why is it not an npm package?

So you own the code. Components are copied into your project, which makes customisation trivial — at the cost of receiving no automatic updates.

Base UI: Is it ready for production?

For the components it covers, yes, provided you pin versions and read release notes. The range is narrower than mature libraries, so check coverage against your needs first.

shadcn/ui: Do I need Tailwind?

Yes. Components are styled with Tailwind utility classes and built on Radix primitives, so both are required.

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