What is Radix UI?

An open-source library providing minimal, keyboard-navigable React components with built-in screen reader support. Each component is intentionally left unstyled, allowing developers to apply custom styling while inheriting robust accessibility patterns and interaction handling.

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.

Pricing as of verify at live pricing ↗Independently observed
Open sourceFree tier

Free and open source (MIT license)

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 component library
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
Small (10–40kb)
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web

Security & compliance

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

Radix UI FAQ

Common questions about Radix UI, answered from independent, dated evidence.

What is Radix UI?

An open-source library providing minimal, keyboard-navigable React components with built-in screen reader support. Each component is intentionally left unstyled, allowing developers to apply custom styling while inheriting robust accessibility patterns and interaction handling. It is indexed under Frontend UI Frameworks.

Source: https://www.radix-ui.com/primitives

Is Radix UI free to use?

Radix UI is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.

Source: https://www.radix-ui.com/primitives

What platforms does Radix UI support?

We have confirmed browser-based access to Radix UI. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.

Source: https://www.radix-ui.com/primitives

Is Radix UI open source?

Yes. Radix UI is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.

Source: https://github.com/radix-ui/primitives

Radix UI alternatives

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

All Radix UI alternatives, ranked →

Independent · unbought · dated

The vioscaleAI 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 · 34%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Development activity620.127.5
Dependent projects800.086.4
Capabilities580.084.8
Stars810.032.7
Security score420.052.2
Integrations00.050.0-
Release cadence00.070.0-
Security posture00.090.0-
Package downloads00.170.0-
Developer Q&A activity00.080.0-

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 stars19,257highsource · 2026-09-10 · 90%
Dependent repos60,185highsource · 2026-09-10 · 85%

Content

AttributeValueEvidence
Faq4 itemsmediumsource · 2026-09-10 · 69%

Features

AttributeValueEvidence
CapabilitiesParadigm: React component library · Bundle size: small · Virtual dom: Yes · Component model: Yes · Typescript first: Yesmediumsource · 2026-08-14 · 60%

Language

AttributeValueEvidence
PrimaryTypeScripthighsource · 2026-09-10 · 90%

License

AttributeValueEvidence
SpdxMIThighsource · 2026-09-10 · 95%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-14 · 60%
Modelopen_sourcemediumsource · 2026-08-14 · 60%
Price levelfreemediumsource · 2026-08-14 · 60%
TransparentYesmediumsource · 2026-08-14 · 60%

Security

AttributeValueEvidence
Scorecard4.2highsource · 2026-09-10 · 90%
VulnerabilitiesCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40radix-ui%2Freact-slot&per_page=100 · Last 12m: 0highsource · 2026-09-10 · 90%
Still deciding?

Is Radix UI the right choice for you?

Tell us the job, the constraints and what you weigh most, and we will rank Radix UI against the rest of the frontend ui frameworks we index, using the same dated evidence weighted your way.

Free to run, no account needed to start. How the evaluation works

For the makers of Radix UI

Is this your product?

This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Radix UI up or down: nobody can buy rank here, including you.

Take the badge

Live, always current, and free to use on your own site. It shows Radix UI's independent score and links back to this profile.

Radix UI, verified on vioscaleAI
HTML
<a href="https://www.vioscale.ai/software/radix-ui" target="_blank" rel="noopener">
  <img src="https://www.vioscale.ai/badge/software/radix-ui.svg" alt="Radix UI, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>
Markdown, for a README →
Markdown
[![Radix UI, verified on vioscaleAI](https://www.vioscale.ai/badge/software/radix-ui.svg)](https://www.vioscale.ai/software/radix-ui)

Claim the profile

Verify you control the domain and you can correct the facts, add the sources we should be reading, and see how AI assistants are describing Radix UI. Free, and it does not change the score.

  • Correct anything wrong, with evidence
  • Point our crawler at the pages that matter
  • See which AI systems are reading this profile
Claim Radix UI

Not the owner? How vendor profiles work