Comparison

Astro vs Radix UI

On the evidence we track, Astro leads this comparison with a composite score of 72/100. 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.
★Astro72
Radix UI56
Score
vioscaleAI score
Astro72 / 100medium · 57%
Radix UI56 / 100low · 34%
Pricing
Free tier
Astro✓
Radix UI✓
Model
Price level
Astrofree
Radix UIfree
Transparent
Astro–
Radix UI✓
Integrations
Count
Astro18
Radix UI–
Adoption
Dependent repos
Astro18,705
Radix UI54,868
Github stars
Astro63,201
Radix UI19,391
Package downloads weekly
Radix UI–
Activity
Commits last 30d
Astro100
Radix UI52
Release
History
Radix UI–
License
Spdx
AstroMIT
Radix UIMIT
Language
Primary
Content
Faq
Astro7 items
Radix UI4 items

Capabilities

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

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

What each one is

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

Astro

Leader

Astro is a web framework that prioritizes performance through server-side rendering and sends minimal JavaScript to browsers. It features an island architecture for selective interactivity, supports all major UI frameworks, and produces zero unnecessary JavaScript by default.

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.

Astro

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
Astro✓
Radix UI✓
Deployment
Cloud / SaaS
Astro✓
Radix UI–

Integrations

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

Astro

Leader
21 total
  • React
  • Vue
  • Svelte
  • Tailwind CSS
  • Vercel
  • Cloudflare Workers
  • Node.js
  • Prism
  • MDX
  • Sitemap
  • Starlight
  • Sentry
  • UnoCSS
  • Expressive Code
  • astro-icon
  • astro-seo
  • Fathom Analytics
  • Feedback Fish
  • Cloudflare
  • Sonda
  • Solid
Independently observed

Radix UI

Not documented yet.

Still deciding?

Astro 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.