Comparison

Radix UI vs Svelte

On the evidence we track, Svelte leads this comparison with a composite score of 77/100. 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.
Radix UI56
★Svelte77
Score
vioscaleAI score
Radix UI56 / 100low · 34%
Svelte77 / 100medium · 71%
Pricing
Free tier
Radix UI✓
Svelte✓
Model
Price level
Radix UIfree
Sveltefree
Transparent
Radix UI✓
Svelte✓
Adoption
Dependent repos
Radix UI54,868
Svelte56,439
Github stars
Radix UI19,391
Svelte88,371
Package downloads weekly
Radix UI–
Svelte6,811,932
Stackoverflow questions
Radix UI–
Svelte9,000
Activity
Commits last 30d
Radix UI52
Svelte100
Release
Cadence days
Radix UI–
Svelte4
History
Radix UI–
Svelte20 items
License
Spdx
Radix UIMIT
SvelteMIT
Language
Primary
Radix UITypeScript
Market
Availability
Radix UI–
Content
Faq
Radix UI4 items
Svelte8 items

Capabilities

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

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

What each one is

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

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

Svelte

Leader

Svelte is a UI framework that compiles components written in standard web technologies into lightweight JavaScript. By moving compilation to build time, it enables developers to write less code while producing performant 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.

Radix UI

Open sourceFree tier

Free and open source (MIT license)

as of verify ↗

Svelte

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
Radix UI✓
Svelte✓
CLI
Radix UI✗
Svelte✓
Still deciding?

Radix UI or Svelte: 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.