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Web Development · head to head

Lit vs Preact

Lit logo

Lit

Web Development

Lightweight library for building Web Components

From
Free
Rated
-
Full reviewWebsite
Preact logo

Preact

Web Development

3kB alternative to React with the same modern API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lit smaller ecosystem compared to React or Vue; Preact compatibility through preact/compat is good but not total, and some React libraries break in ways that are hard to diagnose
  • They diverge on capability: Lit covers Reactive properties, Preact covers 3kB runtime.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Lit and Preact actually diverge.

Attributes where Lit and Preact differ
AttributeLitPreact
Pricing modelUnknownOpen source, no licence fee
PlatformsWeb, Node.jsWeb

Identical on both: starting price (Free), free tier (Yes), 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 Lit

  • Reactive properties
  • Tagged template literals
  • Scoped styling with Shadow DOM
  • Web Components standard
  • Minimal bundle size

Only in Preact

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

What people use each for

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

Lit

  • Building reusable component libraries across frameworksnot Preact
  • Creating design systems with scoped stylesnot Preact
  • Developing progressive web applications with minimal dependenciesnot Preact

Preact

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

Where each one falls short

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

Lit

  • Smaller ecosystem compared to React or Vue
  • Web Components adoption still growing in the industry
  • Requires understanding of Shadow DOM concepts

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

Pricing, plan by plan

Lit

Free

No published plan breakdown. See the Lit review.

Preact

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

Which should you pick?

Choose Lit if

  • You need reactive properties.
  • You want to start without paying.
  • You work on Web, Node.js.
  • You also want tagged template literals.
Lit review

Choose Preact if

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

Questions people ask

Is Lit or Preact better?
Neither clearly leads. Lit starts at Free and Preact at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lit or Preact?
Lit starts at Free and Preact at Free.
Does Lit or Preact run on more platforms?
Lit runs on Web, Node.js. Preact runs on Web.
Can I use Lit for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lit best used for?
Lit is most often used for building reusable component libraries across frameworks, creating design systems with scoped styles, developing progressive web applications with minimal dependencies. Of those, building reusable component libraries across frameworks and creating design systems with scoped styles are not what Preact is typically brought in for.
What can Lit do that Preact cannot?
Lit covers Reactive properties, Tagged template literals, Scoped styling with Shadow DOM, Web Components standard. Preact covers 3kB runtime, preact/compat, Same modern API, Fast rendering.

Answered from the vendors’ own pages

Lit: Is Lit free to use?

Yes, Lit is open source and completely free under the BSD 3-Clause license.

Source
Preact: Is Preact 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.

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.

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