# Scalar vs Swagger UI

**Leader by Vioscale score:** Swagger UI

| Attribute | Scalar | Swagger UI |
|---|---|---|
| **Vioscale score** | 61.7 (76% (high)) | 68.8 (69% (medium)) |
| activity.commits_last_30d | 100 | 49 |
| adoption.dependent_repos | 1 | 60,531 |
| adoption.github_stars | 15,999 | 28,989 |
| adoption.package_downloads_weekly | 824,329 | 156,659 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | An open-source platform for building API documentation sites that includes automatically generated SDKs, a browser-based API client, and API registry capabilities. Supports OpenAPI and AsyncAPI specifications. | Swagger UI is a web-based tool that automatically generates interactive API documentation from OpenAPI definitions. It enables developers to visualize, test, and explore APIs with real-time validation and supports collaboration across teams through version control integration. |
| features.capabilities | `{"api_docs":true,"rest_client":true,"openapi_import":true}` | `{"api_docs":true,"mock_server":true,"rest_client":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"automated_testing":true}` |
| integrations.count | 1 | 3 |
| integrations.list | `[{"name":"Agent"}]` | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"BitBucket"}]` |
| language.primary | TypeScript | JavaScript |
| license.spdx | MIT | Apache-2.0 |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":["US","EU","AU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free","features":["Hosted OpenAPI docs","Built-in API client","Themes","Unlimited viewer seats","1 editor seat"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Start with beautiful API docs.","contactSales":false,"includedLimits":{"editor_seats":"1","agent_credits":"50","tokens_per_credit":"50000","docs_chat_per_credit":"2","mcp_tool_calls_per_credit":"200"}},{"free":false,"name":"Pro","summary":"$72/month","features":["Custom domains and subdomains","Git Sync, Markdown, and MDX support","API References from OpenAPI/AsyncAPI","Custom HTML/CSS/JS","Email domain access control","Guides and versioning","Landing pages","Full developer portal","Hosted MCP servers","Production deployment","Automated GitHub workflows","Custom code and code samples","Full OpenAPI authentication support","File streaming","Full language publishing registry"],"components":[{"kind":"fixed","amount":72,"period":"month","currency":"USD"}],"description":"Ship docs, SDKs, and MCP servers.","contactSales":false,"includedLimits":{"agent_credits":"500","tokens_per_credit":"50000","docs_chat_per_credit":"2","mcp_tool_calls_per_credit":"200"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Full developer portals","SSO/SAML","Role-based access control (RBAC)","Priority support and SLAs","SDK and MCP migration services","Dedicated Slack/Teams channel","Custom Agent Scalar credits"],"description":"Scale every API interface.","contactSales":true}],"addOns":[{"name":"SDK Language","components":[{"kind":"one_time","amount":100,"currency":"USD"}]}],"summary":"From $72/month. Free tier. SDK languages available: TypeScript, Python, C#, Java, PHP, Go, Ruby (+$100 each for Pro/Enterprise).","currency":"USD","freeTier":true,"sourceUrl":"https://scalar.com","retrievedAt":"2026-08-05T14:12:51.335Z","startingPrice":{"amount":72,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":false,"name":"Individual","summary":"€21.20/user/month (20% discount for annual billing)","features":["Catalog","Studio (Codegen, editor, form-based editor, 5 domains)","Portal (1 public product with SmartBear branding)","Contract testing (10 contracts, 10 AI credits)","Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)"],"minSeats":1,"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":21.2,"period":"month","currency":"EUR"}],"description":"For individual developers needing powerful tools for API design, testing, and documentation.","contactSales":false,"includedLimits":{"catalog":"included","domains":"5","contracts":"10","ai_credits":"10","public_products":"1","test_executions":"50"}},{"free":false,"name":"Team","summary":"€32.34/user/month (20% discount for annual billing)","features":["Catalog","Studio (Codegen, editor, form-based editor, 10 domains)","Portal (2 public products with SmartBear branding)","Contract testing (20 contracts, 10 AI credits per user, 1 System Account, 2 Webhooks)","Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":32.34,"period":"month","currency":"EUR"}],"description":"Ideal for small teams looking to enhance collaboration and documentation.","contactSales":false,"includedLimits":{"catalog":"included","domains":"10","webhooks":"2","contracts":"20","ai_credits":"10 per user","public_products":"2","system_accounts":"1","test_executions":"50"}},{"free":false,"name":"Enterprise","summary":"€54.68/user/month (20% discount for annual billing)","features":["Catalog","Studio (Standardization, unlimited domains)","Portal (5 public products with SmartBear branding)","Contract testing (50 contracts, 10 AI credits per user, 1 System Account, 50 Webhooks, RBAC)","Functional testing (100 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":54.68,"period":"month","currency":"EUR"}],"description":"For larger teams needing advanced features for complex API management.","contactSales":false,"includedLimits":{"catalog":"included","domains":"unlimited","webhooks":"50","contracts":"50","ai_credits":"10 per user","public_products":"5","system_accounts":"1","test_executions":"100"}},{"free":false,"name":"Enterprise Plus","summary":"Contact for pricing","features":["Catalog","Studio (Standardization, unlimited domains, custom API templates)","Portal (Unlimited public and private products with full customization)","Contract testing (Unlimited contracts, 30 AI credits per user, Unlimited System Accounts, Unlimited Webhooks, RBAC)","Functional testing (Unlimited test executions, test automation, CI/CD integration, assertions, reporting, sequential & parallel testing)"],"description":"For enterprises needing maximum control, scalability, and dedicated support.","contactSales":true,"includedLimits":{"catalog":"included","domains":"unlimited with custom templates","webhooks":"unlimited","contracts":"unlimited","ai_credits":"30 per user","public_products":"unlimited","system_accounts":"unlimited","test_executions":"unlimited","private_products":"unlimited with full customization"}}],"addOns":[{"name":"Portal Pro","components":[{"kind":"per_unit","unit":"user","amount":27.5,"period":"month","currency":"EUR"}]},{"name":"Contract Testing Pro","components":[{"kind":"per_unit","unit":"user","amount":21.8,"period":"month","currency":"EUR"}]},{"name":"Enterprise SSO"}],"summary":"From €21.20/user/month. Free tier available. Yearly billing offers 20% discount. Contact sales for Enterprise Plus.","currency":"EUR","freeTier":true,"sourceUrl":"https://swagger.io/tools/swagger-ui/","retrievedAt":"2026-08-05T14:13:07.013Z","startingPrice":{"amount":21.2,"period":"month","currency":"EUR"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | mid |
| pricing.transparent | yes | yes |
| release.cadence_days | 3 | 12 |
| release.history | `[{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-08-20-1e5ab85","date":"2026-08-20T21:15:27Z","type":"stable","version":"release-2026-08-20-1e5ab85"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-08-13-f20d08b","date":"2026-08-13T07:30:43Z","type":"stable","version":"release-2026-08-13-f20d08b"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-08-13-ef440b4","date":"2026-08-13T23:22:26Z","type":"stable","version":"release-2026-08-13-ef440b4"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-08-07-74f1a3a","date":"2026-08-07T13:56:29Z","type":"stable","version":"release-2026-08-07-74f1a3a"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-31-dc1e98f","date":"2026-07-31T00:59:30Z","type":"stable","version":"release-2026-07-31-dc1e98f"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-20-be8106c","date":"2026-07-20T21:23:53Z","type":"stable","version":"release-2026-07-20-be8106c"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-16-88c793c","date":"2026-07-16T22:12:19Z","type":"stable","version":"release-2026-07-16-88c793c"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-16-29edc7e","date":"2026-07-16T18:10:30Z","type":"stable","version":"release-2026-07-16-29edc7e"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-15-d802665","date":"2026-07-15T04:03:46Z","type":"stable","version":"release-2026-07-15-d802665"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-15-74d8703","date":"2026-07-15T20:42:49Z","type":"stable","version":"release-2026-07-15-74d8703"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-08-8cbf82d","date":"2026-07-08T10:08:01Z","type":"stable","version":"release-2026-07-08-8cbf82d"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-03-309919d","date":"2026-07-03T16:43:22Z","type":"stable","version":"release-2026-07-03-309919d"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-02-ba6e2ca","date":"2026-07-02T10:06:47Z","type":"stable","version":"release-2026-07-02-ba6e2ca"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-07-02-8642c68","date":"2026-07-02T23:19:21Z","type":"stable","version":"release-2026-07-02-8642c68"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-30-6b1c104","date":"2026-06-30T09:54:22Z","type":"stable","version":"release-2026-06-30-6b1c104"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-26-aa3696f","date":"2026-06-26T09:35:54Z","type":"stable","version":"release-2026-06-26-aa3696f"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-22-e9db1fd","date":"2026-06-22T19:12:34Z","type":"stable","version":"release-2026-06-22-e9db1fd"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-17-23b90bb","date":"2026-06-17T11:48:00Z","type":"stable","version":"release-2026-06-17-23b90bb"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-11-fe0498e","date":"2026-06-11T12:52:57Z","type":"stable","version":"release-2026-06-11-fe0498e"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-06-09-5cdc88a","date":"2026-06-09T12:47:02Z","type":"stable","version":"release-2026-06-09-5cdc88a"}]` | `[{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.14","date":"2026-08-18T12:12:37Z","type":"stable","version":"v5.32.14"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.13","date":"2026-08-11T12:38:34Z","type":"stable","version":"v5.32.13"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.12","date":"2026-08-03T08:39:05Z","type":"stable","version":"v5.32.12"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.11","date":"2026-07-22T07:31:51Z","type":"stable","version":"v5.32.11"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.10","date":"2026-07-21T11:33:37Z","type":"stable","version":"v5.32.10"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.9","date":"2026-07-17T08:23:31Z","type":"stable","version":"v5.32.9"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.8","date":"2026-06-23T08:15:44Z","type":"stable","version":"v5.32.8"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.7","date":"2026-06-22T13:02:12Z","type":"stable","version":"v5.32.7"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.6","date":"2026-05-12T09:35:45Z","type":"stable","version":"v5.32.6"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.5","date":"2026-04-27T12:54:48Z","type":"stable","version":"v5.32.5"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.4","date":"2026-04-15T09:05:29Z","type":"stable","version":"v5.32.4"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.3","date":"2026-04-14T12:08:11Z","type":"stable","version":"v5.32.3"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.2","date":"2026-04-07T14:01:10Z","type":"stable","version":"v5.32.2"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.1","date":"2026-03-17T14:00:45Z","type":"stable","version":"v5.32.1"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.0","date":"2026-02-27T11:52:23Z","type":"stable","version":"v5.32.0"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.31.2","date":"2026-02-20T10:41:07Z","type":"stable","version":"v5.31.2"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.31.1","date":"2026-02-16T12:59:28Z","type":"stable","version":"v5.31.1"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.31.0","date":"2025-12-11T15:57:50Z","type":"stable","version":"v5.31.0"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.30.3","date":"2025-11-25T12:39:55Z","type":"stable","version":"v5.30.3"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.30.2","date":"2025-11-04T09:41:51Z","type":"stable","version":"v5.30.2"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.scorecard | - | 7.4 |
| security.soc2 | yes | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40scalar%2Fthemes&per_page=100","last_12m":0,"max_severity":null}` | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=swagger-ui-dist&per_page=100","last_12m":0,"max_severity":"MODERATE"}` |

## Capabilities (API Development Tools)

| Capability | Scalar | Swagger UI |
|---|:--:|:--:|
| **Core** |  |  |
| REST client | ✓ | ✓ |
| GraphQL support | - | - |
| gRPC support | - | - |
| **Design** |  |  |
| Mock servers | - | ✓ |
| **Testing** |  |  |
| Automated / contract testing | - | ✓ |
| **Collaboration** |  |  |
| Team collaboration & sharing | - | ✓ |
| **Docs** |  |  |
| Doc generation | ✓ | ✓ |
| **Standards** |  |  |
| OpenAPI / spec import | ✓ | ✓ |
| **Ops** |  |  |
| CI integration / CLI | - | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:58:44.300Z. "-" = undocumented, not absent.*