Radix UI

Open-source UI components for building accessible web apps

★★★★★ 5.0/5
FactScore™ 69.9
VS

Svelte

Cybernetically enhanced web apps

★★★★★ 5.0/5
FactScore™ 84.5

Updated February 2026

Radix UI Svelte
Rating 5.0★ 5.0★
Reviews 24 48
Pros 10 13
FactScore™ 69.9 84.5

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

69.9
Radix UI FactScore™
👑
84.5
Svelte FactScore™
★ Svelte wins on FactScore™

Pros & Cons

Only in Radix UI — Pros

Accessible UI components Un-styled components React compatibility Community involvement Customizable Excellent documentation Headless component library Theme component

Both tools — Pros

Developer experience Fast performance

Only in Svelte — Pros

Easy to learn No virtual DOM Quick development cycle Simple syntax SvelteKit integration Efficient JavaScript output Fun to use Lightweight Native reactivity Small bundle size Community support

Only in Radix UI — Cons

Customizable Limited built-in components

Both tools — Cons

Only in Svelte — Cons

Ecosystem size Enterprise adoption Less corporate backing Limited devtools

Details

Radix UI Svelte
Categories Interface design tools, Engineering & Development, UI frameworks Engineering & Development, UI frameworks
Platforms Web Web
Became Popular December 17, 2020 April 23, 2019
Website radix-ui.com svelte.dev

Who Should Pick Which?

Choose Radix UI if...

  • Accessible UI components
  • Un-styled components
  • React compatibility

Choose Svelte if...

  • Easy to learn
  • No virtual DOM
  • Quick development cycle

With a FactScore™ of 69.9 vs 84.5, Svelte leads in community reception. Radix UI uniquely offers Accessible UI components and Un-styled components, while Svelte stands out for Easy to learn and No virtual DOM.

3

What Users Say

Radix UI

G
Gustav Aug 10, 2023
★★★★★

Perfection! It really shows that you have thought about the DX and APIs all the way through, there are so many good and clever features here. I've always been a fan of Radix, but this is one level ...

W
Wouter Feb 8, 2024
★★★★★

So many websites have buggy dropdowns and modals. With Radix, these primitives just work, i.e., pressing ESC just closes a modal as you'd expect. No customization needed. Would love for them to exp...

V
Victor Sep 12, 2024
★★★★★

As part of a larger effort to reduce complexity in our own codebase and increase accessibility of Strapi products, we've made the decision to migrate to Radix-UI primitives for many of our components

Svelte

T
Torben Nov 22, 2024
★★★★★

Svelte’s simplicity and blazing-fast rendering have transformed our billing dashboards, enabling us to ship complex, polished UIs in record time while keeping our dev cycle agile.

C
Chris Jun 29, 2025
★★★★★

Svelte gives us the performance and simplicity we need without the runtime overhead that other frameworks bring. Writing Svelte feels natural and productive, and the compiled output is exactly what...

S
Sean Jun 21, 2024
★★★★★

SvelteKit is the web framework underneath Evidence. We've loved working with Svelte and watching it evolve over the past few years. The community has helped our project a ton.

Frequently Asked Questions

Which is better, Radix UI or Svelte?

Based on FactScore™, Svelte leads with a score of 84.5 vs 69.9. Svelte has a higher rating of 5.0★ compared to 5.0★.

What are the pros of Radix UI compared to Svelte?

Radix UI uniquely offers: Accessible UI components, Un-styled components, React compatibility, Community involvement, Customizable.

What are the pros of Svelte compared to Radix UI?

Svelte uniquely offers: Easy to learn, No virtual DOM, Quick development cycle, Simple syntax, SvelteKit integration.

Is Radix UI better rated than Svelte?

Radix UI is rated 5.0★ from 24 reviews. Svelte is rated 5.0★ from 48 reviews.

What is the FactScore™ of Radix UI and Svelte?

FactScore™ weighs rating and review volume together. Radix UI scores 69.9 and Svelte scores 84.5.

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