# MUI vs Radix UI

**Leader by vioscaleAI score:** MUI

| Attribute | MUI | Radix UI |
|---|---|---|
| **vioscaleAI score** | 76.8 (72% (medium)) | 56.2 (34% (low)) |
| activity.commits_last_30d | 100 | 52 |
| adoption.dependent_repos | 163,982 | 54,868 |
| adoption.github_stars | 99,201 | 19,391 |
| adoption.package_downloads_weekly | 10,365,358 | - |
| content.faq | `[{"answer":"Material UI is a comprehensive React component library implementing Google's Material Design, providing ready-to-use UI components and advanced components for complex applications. It combines free foundational components with optional commercial plans offering additional features and support. It is indexed under Frontend UI Frameworks.","source":"https://mui.com/pricing/","question":"What is MUI?","confidence":0.6},{"answer":"MUI is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. A commercial or hosted edition starts at $299 per developer per year. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://mui.com/pricing/","question":"Is MUI free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to MUI. 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://mui.com/pricing/","question":"What platforms does MUI support?","confidence":0.6},{"answer":"We have independently confirmed GDPR for MUI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as MUI not holding them. Always confirm compliance directly before you rely on it.","source":"https://mui.com/legal/privacy/","question":"What security certifications does MUI have?","confidence":0.7},{"answer":"Yes. MUI 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/mui/material-ui","question":"Is MUI open source?","confidence":0.99},{"answer":"MUI is available worldwide. The vendor is headquartered in France.","source":"https://mui.com/pricing/","question":"Where is MUI available?","confidence":0.75}]` | `[{"answer":"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","question":"What is Radix UI?","confidence":0.6},{"answer":"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","question":"Is Radix UI free to use?","confidence":0.6},{"answer":"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","question":"What platforms does Radix UI support?","confidence":0.6},{"answer":"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","question":"Is Radix UI open source?","confidence":0.95}]` |
| description.long | A free React library containing pre-styled interface components based on Material Design, enabling developers to quickly construct application UIs. | An open-source library providing reusable UI components with a focus on accessibility and ease of maintenance for building design systems and web applications. |
| features.capabilities | `{"paradigm":"React component library","component_model":true}` | `{"paradigm":"React component library","bundle_size":"small","virtual_dom":true,"component_model":true,"typescript_first":true}` |
| language.primary | JavaScript | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | `{"hqCountry":"FR","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Community","summary":"Free forever","features":["MIT-licensed","40+ free components","Community support","MUI Core libraries (Base UI, Material UI, Joy UI, MUI System)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Pro","summary":"$299/developer/year or $24.92/developer/month","features":["Everything in Community","Pro support","MUI X Pro access","10+ Pro features","Multi-app license"],"commitment":"annual","components":[{"kind":"per_unit","unit":"developer","amount":299,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Premium","summary":"$599/developer/year or $49.92/developer/month","features":["Everything in Pro","Premium support","Access to new features first","MUI X Premium access","5+ Premium features"],"commitment":"annual","components":[{"kind":"per_unit","unit":"developer","amount":599,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Enterprise","summary":"$1,399/developer/year or $116.58/developer/month (minimum 15 seats)","features":["Everything in Premium","Priority support","Customer Success Manager","Technical support for all libraries","Guaranteed response time","Pre-screening","Issue escalation","Security questionnaire & custom agreements","Multi-app license included"],"minSeats":15,"commitment":"annual","components":[{"kind":"per_unit","unit":"developer","amount":1399,"period":"year","currency":"USD"}],"contactSales":true}],"summary":"Free tier available. Pro from $24.92/developer/month, Premium from $49.92/developer/month, Enterprise from $116.58/developer/month (annual billing)","currency":"USD","freeTier":true,"sourceUrl":"https://mui.com/pricing/","retrievedAt":"2026-08-14T15:22:03.913Z","startingPrice":{"amount":299,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","summary":"Free and open source (MIT license)","freeTier":true,"sourceUrl":"https://www.radix-ui.com/primitives","retrievedAt":"2026-08-14T09:22:38.781Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 7 | - |
| release.history | `[{"url":"https://github.com/mui/material-ui/releases/tag/v10.0.0-alpha.0","date":"2026-10-12T10:53:58Z","type":"prerelease","version":"v10.0.0-alpha.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.5.0","date":"2026-10-09T09:47:44Z","type":"stable","version":"v9.5.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.4.0","date":"2026-08-28T02:03:14Z","type":"stable","version":"v9.4.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.3.1","date":"2026-08-06T10:11:56Z","type":"stable","version":"v9.3.1"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.3.0","date":"2026-08-05T08:44:43Z","type":"stable","version":"v9.3.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.2.0","date":"2026-07-03T08:02:08Z","type":"stable","version":"v9.2.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.1.2","date":"2026-06-23T17:03:08Z","type":"stable","version":"v9.1.2"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.1.1","date":"2026-06-23T17:02:02Z","type":"stable","version":"v9.1.1"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.1.0","date":"2026-06-08T08:42:14Z","type":"stable","version":"v9.1.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.1","date":"2026-05-07T05:40:17Z","type":"stable","version":"v9.0.1"},{"url":"https://github.com/mui/material-ui/releases/tag/v7.3.11","date":"2026-05-07T03:31:56Z","type":"stable","version":"v7.3.11"},{"url":"https://github.com/mui/material-ui/releases/tag/v7.3.10","date":"2026-04-08T07:52:56Z","type":"stable","version":"v7.3.10"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0","date":"2026-04-08T12:05:36Z","type":"stable","version":"v9.0.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-beta.1","date":"2026-04-02T13:57:06Z","type":"prerelease","version":"v9.0.0-beta.1"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-beta.0","date":"2026-03-26T00:50:11Z","type":"prerelease","version":"v9.0.0-beta.0"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-alpha.4","date":"2026-03-20T09:42:41Z","type":"prerelease","version":"v9.0.0-alpha.4"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-alpha.3","date":"2026-03-12T09:24:12Z","type":"prerelease","version":"v9.0.0-alpha.3"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-alpha.2","date":"2026-03-05T07:49:57Z","type":"prerelease","version":"v9.0.0-alpha.2"},{"url":"https://github.com/mui/material-ui/releases/tag/v7.3.9","date":"2026-03-05T08:16:55Z","type":"stable","version":"v7.3.9"},{"url":"https://github.com/mui/material-ui/releases/tag/v9.0.0-alpha.1","date":"2026-03-05T07:48:40Z","type":"prerelease","version":"v9.0.0-alpha.1"}]` | - |
| security.gdpr | yes | - |
| security.scorecard | 8.6 | 4.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40mui%2Fmaterial&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40radix-ui%2Freact-compose-refs&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | MUI | Radix UI |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | React component library | 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) |

*Source: vioscaleAI. Generated 2026-10-16T18:31:32.573Z. "-" = undocumented, not absent.*