Comparison

Headless UI vs Preact

On the evidence we track, Preact leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Headless UI67
★Preact78
Score
vioscaleAI score
Headless UI67 / 100medium · 57%
Preact78 / 100medium · 72%
Pricing
Free tier
Headless UI✓
Preact✓
Model
Headless UIcommercial
Price level
Headless UIfree
Preactfree
Integrations
Count
Headless UI3
Preact–
Adoption
Dependent repos
Headless UI45,352
Preact78,992
Github stars
Headless UI28,775
Preact38,926
Package downloads weekly
Headless UI7,496,681
Activity
Commits last 30d
Headless UI–
Preact70
Release
Cadence days
Headless UI12
Preact13
History
Headless UI20 items
Preact20 items
License
Spdx
Headless UIMIT
PreactMIT
Language
Primary
Headless UITypeScript
Content
Faq
Headless UI5 items
Preact4 items

Capabilities

Feature-by-feature on the axes that matter for frontend ui frameworks. “-” means undocumented, not absent.

Core
Paradigm
Headless UIHeadless component library
PreactVirtual DOM component library
Reusable component model
Headless UI✓
Preact✓
Rendering
Virtual DOM
Headless UI✓
Preact✓
Signals / fine-grained reactivity
Headless UI-
Preact-
SSR support
Headless UI✓
Preact✓
DX
First-class TypeScript
Headless UI-
Preact-
State
Built-in state management
Headless UI-
Preact✓
Ecosystem
Official router
Headless UI-
Preact✓
Performance
Runtime size
Headless UITiny (<10kb)
PreactTiny (<10kb)

What each one is

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

Headless UI

Provides unstyled, fully accessible UI components that you can style using utility classes from Tailwind CSS

Independently observed

Preact

Leader

A minimal virtual DOM framework providing React-style components and APIs, optimized for tiny bundle size and fast performance across modern browsers.

Independently observed

Pricing

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

Headless UI

Open sourceFree tier
as of verify ↗

Preact

Leader
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
Web
Headless UI✓
Preact✓

Integrations

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

Headless UI

3 total
  • React
  • Vue
  • Tailwind CSS
Independently observed

Preact

Leader

Not documented yet.

Still deciding?

Headless UI or Preact: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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