Radix UI

Core building blocks for your design system

Also known as
radix-ui

What is Radix UI?

Unstyled, accessible, open source React primitives for high-quality web apps and design systems.

Independently observed

Radix UI pricing

We don't have Radix UI's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Radix UI does

The capabilities that matter for frontend ui frameworks, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Paradigm
React primitives
Reusable component model
Rendering
Virtual DOM
Signals / fine-grained reactivity
-
SSR support
-
DX
First-class TypeScript
-
State
Built-in state management
-
Ecosystem
Official router
-
Performance
Runtime size
-
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web

Radix UI alternatives

Other frontend ui frameworks we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Radix UI, not the verdict.

Balanced composite 58 / 100
low · 15%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Github Activity6218.001123.3
Capabilities4616.00733.1
Github Stars815.00403.8
Integrations08.000.0-
Release Cadence010.000.0-
Security Posture013.000.0-
Package Downloads026.000.0-
Stackoverflow Activity012.000.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d95mediumsource · 2026-08-03 · 65%

Adoption

AttributeValueEvidence
Github stars19,123highsource · 2026-08-03 · 90%

Features

AttributeValueEvidence
Capabilities{"paradigm":"React primitives","virtual_dom":true,"component_model":true}mediumsource · 2026-08-03 · 60%

Language

AttributeValueEvidence
PrimaryTypeScripthighsource · 2026-08-03 · 90%

License

AttributeValueEvidence
SpdxMIThighsource · 2026-08-03 · 95%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-03 · 60%
Modelopen_sourcemediumsource · 2026-08-03 · 60%
Price levelfreemediumsource · 2026-08-03 · 60%
TransparentYesmediumsource · 2026-08-03 · 60%