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Preact vs Chakra UI

Preact logo

Preact

Web Development

3kB alternative to React with the same modern API

From
Free
Rated
-
Full reviewWebsite
Chakra UI logo

Chakra UI

Web Development

Accessible React component library with a style-props API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Preact compatibility through preact/compat is good but not total, and some React libraries break in ways that are hard to diagnose; Chakra UI style props put styling in the component tree, which some teams find harder to scan than stylesheets
  • They diverge on capability: Preact covers 3kB runtime, Chakra UI covers Style props.

Where they differ

Only the attributes on which Preact and Chakra UI actually diverge.

Attributes where Preact and Chakra UI differ
AttributePreactChakra UI

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Web Development).

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 Preact

  • 3kB runtime
  • preact/compat
  • Same modern API
  • Fast rendering

Only in Chakra UI

  • Style props
  • Accessible defaults
  • Theme system
  • Composable primitives

What people use each for

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

Preact

  • Embedded widgets that load inside someone else’s page and must stay smallnot Chakra UI
  • Marketing and content sites where JavaScript payload affects Core Web Vitalsnot Chakra UI
  • Applications targeting low-bandwidth or low-powered devicesnot Chakra UI

Chakra UI

  • React applications wanting accessible components without Material Design’s looknot Preact
  • Teams who find unstyled primitives too much work but styled libraries too opinionatednot Preact
  • Rapid internal tools where a coherent theme matters more than a bespoke designnot Preact

Where each one falls short

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

Preact

  • Compatibility through preact/compat is good but not total, and some React libraries break in ways that are hard to diagnose
  • Behavioural differences from React exist in edge cases, particularly around event handling
  • A much smaller community, so unusual problems have fewer existing answers than React

Chakra UI

  • Style props put styling in the component tree, which some teams find harder to scan than stylesheets
  • Runtime CSS-in-JS has a performance cost, and it interacts awkwardly with React server components
  • Fewer complex widgets than MUI: no comparable data grid or date picker
  • Major version changes have altered the styling approach, making upgrades non-trivial

Pricing, plan by plan

Preact

Free
  • PreactFree
    • Full library
    • Commercial use permitted
    • No usage limits

Chakra UI

Free
  • Chakra UIFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Preact if

  • You need 3kb runtime.
  • You want to start without paying.
  • You also want preact/compat.
Preact review

Choose Chakra UI if

  • You need style props.
  • You want to start without paying.
  • You also want accessible defaults.
Chakra UI review

Questions people ask

Is Preact or Chakra UI better?
Neither clearly leads. Preact starts at Free and Chakra UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Preact or Chakra UI?
Preact starts at Free and Chakra UI at Free.
Does Preact or Chakra UI run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Preact for free?
Both have a free tier, so you can try either at no cost before committing.
What is Preact best used for?
Preact is most often used for embedded widgets that load inside someone else’s page and must stay small, marketing and content sites where javascript payload affects core web vitals, applications targeting low-bandwidth or low-powered devices. Of those, embedded widgets that load inside someone else’s page and must stay small and marketing and content sites where javascript payload affects core web vitals are not what Chakra UI is typically brought in for.
What can Preact do that Chakra UI cannot?
Preact covers 3kB runtime, preact/compat, Same modern API, Fast rendering. Chakra UI covers Style props, Accessible defaults, Theme system, Composable primitives.

Answered from the vendors’ own pages

Preact: Is Preact free?

Yes, open source under the MIT licence.

Chakra UI: Is Chakra UI free?

Yes, open source under the MIT licence.

Preact: Can I use React libraries with Preact?

Most, through the preact/compat layer. Compatibility is good but not complete, so libraries relying on React internals can break.

Chakra UI: Chakra UI or MUI?

MUI has more components including advanced data grids, but carries Material Design opinions. Chakra is lighter on visual opinion and easier to theme, with a smaller component set.

Preact: Why choose Preact over React?

Bundle size, almost always. If payload is not a binding constraint, React’s ecosystem is usually the better trade.

Chakra UI: Does Chakra handle accessibility?

Yes, components implement WAI-ARIA patterns by default, which is one of its stated design goals.

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