Comparison

Preact vs Radix UI

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.
★Preact78
Radix UI56
Score
vioscaleAI score
Preact78 / 100medium · 72%
Radix UI56 / 100low · 34%
Pricing
Free tier
Preact✓
Radix UI✓
Model
Price level
Preactfree
Radix UIfree
Transparent
Preact–
Radix UI✓
Adoption
Dependent repos
Preact78,992
Radix UI54,868
Github stars
Preact38,926
Radix UI19,391
Package downloads weekly
Radix UI–
Activity
Commits last 30d
Preact70
Radix UI52
Release
Cadence days
Preact13
Radix UI–
History
Preact20 items
Radix UI–
License
Spdx
PreactMIT
Radix UIMIT
Language
Primary
Radix UITypeScript
Content
Faq
Preact4 items
Radix UI4 items

Capabilities

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

Core
Paradigm
PreactVirtual DOM component library
Radix UIReact component library
Reusable component model
Preact✓
Radix UI✓
Rendering
Virtual DOM
Preact✓
Radix UI✓
Signals / fine-grained reactivity
Preact-
Radix UI-
SSR support
Preact✓
Radix UI-
DX
First-class TypeScript
Preact-
Radix UI✓
State
Built-in state management
Preact✓
Radix UI-
Ecosystem
Official router
Preact✓
Radix UI-
Performance
Runtime size
PreactTiny (<10kb)
Radix UISmall (10–40kb)

What each one is

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

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

Radix UI

An open-source library providing reusable UI components with a focus on accessibility and ease of maintenance for building design systems and web applications.

Independently observed

Pricing

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

Preact

Leader
Open sourceFree tier
as of verify ↗

Radix UI

Open sourceFree tier

Free and open source (MIT license)

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Preact✓
Radix UI✓
Still deciding?

Preact or Radix UI: 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.