# Scalar vs Swagger UI

**Leader by vioscaleAI score:** Swagger UI

| Attribute | Scalar | Swagger UI |
|---|---|---|
| **vioscaleAI score** | 63.2 (70% (medium)) | 68.6 (68% (medium)) |
| activity.commits_last_30d | 100 | 26 |
| adoption.dependent_repos | 1 | 60,531 |
| adoption.github_stars | 16,253 | 29,027 |
| adoption.package_downloads_weekly | 1,422,867 | 129,984 |
| content.faq | `[{"answer":"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. It is indexed under API Development Tools.","source":"https://scalar.com/products/agent/pricing","question":"What is Scalar?","confidence":0.6},{"answer":"Scalar 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 $72 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://scalar.com","question":"Is Scalar free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Scalar. 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://scalar.com/products/agent/pricing","question":"What platforms does Scalar support?","confidence":0.6},{"answer":"Yes. Scalar can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://scalar.com/products/agent/pricing","question":"Can Scalar be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Scalar. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Scalar not holding them. Always confirm compliance directly before you rely on it.","source":"https://scalar.com/security","question":"What security certifications does Scalar have?","confidence":0.7},{"answer":"Yes. Scalar 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/scalar/scalar","question":"Is Scalar open source?","confidence":0.99},{"answer":"Scalar is available worldwide. Its primary market is the United States.","source":"https://scalar.com","question":"Where is Scalar available?","confidence":0.5}]` | `[{"answer":"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. It is indexed under API Development Tools.","source":"https://swagger.io/tools/swagger-ui/","question":"What is Swagger UI?","confidence":0.6},{"answer":"Swagger UI offers a free tier, so you can start without paying. Paid plans start at €21.20 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://swagger.io/tools/swagger-ui/","question":"Is Swagger UI free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Swagger 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://swagger.io/tools/swagger-ui/","question":"What platforms does Swagger UI support?","confidence":0.6},{"answer":"Yes. Swagger UI can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://swagger.io/tools/swagger-ui/","question":"Can Swagger UI be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Swagger UI, including GitHub, GitLab and BitBucket. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://swagger.io/tools/swagger-ui/","question":"What does Swagger UI integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Swagger UI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Swagger UI not holding them. Always confirm compliance directly before you rely on it.","source":"https://swagger.io/tools/swagger-ui/","question":"What security certifications does Swagger UI have?","confidence":0.6},{"answer":"Yes. Swagger UI is published under the Apache-2.0 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/swagger-api/swagger-ui","question":"Is Swagger UI open source?","confidence":0.99},{"answer":"Swagger UI is available worldwide. Its primary markets are the United States, the EU and Australia. The vendor is headquartered in the United States.","source":"https://swagger.io/tools/swagger-ui/","question":"Where is Swagger UI available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true}` |
| description.long | A platform that creates API documentation, type-safe client libraries, and AI-ready tools from OpenAPI documents, ensuring all developer interfaces stay synchronized as APIs evolve. | A tool that automatically transforms OpenAPI specifications into visual, interactive documentation allowing developers to explore and test API operations directly without implementing the backend. Works across browsers and deployment environments as a set of reusable web components. |
| features.capabilities | `{"api_docs":true,"mock_server":true,"rest_client":true,"grpc_support":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"graphql_support":true,"automated_testing":true}` | `{"api_docs":true,"mock_server":true,"rest_client":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"automated_testing":true}` |
| integrations.count | 4 | 3 |
| integrations.list | `[{"name":"Agent"},{"name":"FastAPI","native":true,"category":"api_framework"},{"name":"ASP.NET Core","native":true,"category":"api_framework"},{"name":"Hono","native":true,"category":"api_framework"},{"name":"Elysia","native":true,"category":"api_framework"},{"name":"Hapi","native":true,"category":"api_framework"},{"name":"Docker","native":true,"category":"deployment"},{"name":"Docusaurus","native":true,"category":"documentation"},{"name":"GitHub","native":true,"category":"version_control","direction":"bidirectional"},{"name":"Vercel AI SDK","native":true,"category":"ai","direction":"inbound"},{"name":"OpenAI Agents SDK","native":true,"category":"ai","direction":"inbound"},{"name":"Anthropic Claude Agent SDK","native":true,"category":"ai","direction":"inbound"}]` | `[{"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 | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free forever","features":["Hosted OpenAPI docs","Built-in API client","Landing pages","1 editor seat"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"apis":"3","sdks":"1","sdk_endpoints":"25","agent_scalar_credits":"50"}},{"free":false,"name":"Pro","summary":"$150/month or $125/month billed yearly ($1,500/year)","features":["Hosted MCP servers","5 editor seats","Access groups included","Volume discounts available"],"minSeats":5,"commitment":"monthly","components":[{"kind":"fixed","amount":150,"period":"month","currency":"USD"},{"kind":"fixed","amount":1500,"period":"year","currency":"USD"}],"contactSales":false,"includedLimits":{"apis":"15","sdks":"1","sdk_endpoints":"100","agent_scalar_credits":"500"}},{"free":false,"name":"Business","summary":"$600/month or $500/month billed yearly ($6,000/year)","features":["SSO and subpath hosting","10 editor seats","Volume discounts available"],"minSeats":10,"commitment":"monthly","components":[{"kind":"fixed","amount":600,"period":"month","currency":"USD"},{"kind":"fixed","amount":6000,"period":"year","currency":"USD"}],"contactSales":false,"includedLimits":{"apis":"25","sdks":"1","sdk_endpoints":"250","agent_scalar_credits":"2000"}},{"free":false,"name":"Enterprise","summary":"Custom pricing with SLAs and dedicated support","features":["Unlimited APIs and custom SDK sizes","Priority support and SLAs","SDK and MCP migration services","Dedicated Slack/Teams channel"],"contactSales":true,"includedLimits":{"apis":"unlimited","sdk_endpoints":"custom"}}],"addOns":[{"name":"Additional SDK (Pro)","components":[{"kind":"fixed","amount":150,"period":"month","currency":"USD"}]},{"name":"Additional SDK (Business)","components":[{"kind":"fixed","amount":600,"period":"month","currency":"USD"}]}],"summary":"Free tier available. From $150/month for Pro or $600/month for Business, with yearly billing discounts (2 months free).","currency":"USD","freeTier":true,"sourceUrl":"https://scalar.com/pricing","retrievedAt":"2026-09-10T21:08:43.585Z","startingPrice":{"amount":150,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"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 | freemium | commercial |
| pricing.price_level | high | free |
| pricing.starting_price | `{"amount":150,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | 3 | 11 |
| release.history | `[{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-10-12-2c929a3","date":"2026-10-12T16:58:28Z","type":"stable","version":"release-2026-10-12-2c929a3"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-10-05-df37703","date":"2026-10-05T13:48:20Z","type":"stable","version":"release-2026-10-05-df37703"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-10-02-0962afc","date":"2026-10-02T04:46:10Z","type":"stable","version":"release-2026-10-02-0962afc"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-30-5d95c40","date":"2026-09-30T13:14:50Z","type":"stable","version":"release-2026-09-30-5d95c40"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-29-0e5c088","date":"2026-09-29T09:38:06Z","type":"stable","version":"release-2026-09-29-0e5c088"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-25-85e8e22","date":"2026-09-25T10:38:11Z","type":"stable","version":"release-2026-09-25-85e8e22"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-24-fcadd46","date":"2026-09-24T11:38:27Z","type":"stable","version":"release-2026-09-24-fcadd46"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-22-cba1845","date":"2026-09-22T11:44:13Z","type":"stable","version":"release-2026-09-22-cba1845"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-21-e2f3b5c","date":"2026-09-21T18:20:46Z","type":"stable","version":"release-2026-09-21-e2f3b5c"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-19-641d279","date":"2026-09-19T03:21:51Z","type":"stable","version":"release-2026-09-19-641d279"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-18-85612c4","date":"2026-09-18T20:31:18Z","type":"stable","version":"release-2026-09-18-85612c4"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-16-32f4c66","date":"2026-09-16T10:09:00Z","type":"stable","version":"release-2026-09-16-32f4c66"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-09-07-42fc8b1","date":"2026-09-07T10:43:04Z","type":"stable","version":"release-2026-09-07-42fc8b1"},{"url":"https://github.com/scalar/scalar/releases/tag/release-2026-08-28-df40ed7","date":"2026-08-28T11:32:14Z","type":"stable","version":"release-2026-08-28-df40ed7"},{"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/swagger-api/swagger-ui/releases/tag/v5.33.2","date":"2026-10-12T11:13:04Z","type":"stable","version":"v5.33.2"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.33.1","date":"2026-10-01T09:21:05Z","type":"stable","version":"v5.33.1"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.33.0","date":"2026-09-16T09:18:28Z","type":"stable","version":"v5.33.0"},{"url":"https://github.com/swagger-api/swagger-ui/releases/tag/v5.32.15","date":"2026-09-04T10:12:37Z","type":"stable","version":"v5.32.15"},{"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"}]` |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"SOC 2 Type 1","level":"Type 1","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.fedramp | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.scorecard | - | 7.3 |
| security.soc2 | yes | yes |
| security.trust_center | https://scalar.com/security | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40scalar%2Fuse-modal&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: vioscaleAI. Generated 2026-10-16T20:59:22.555Z. "-" = undocumented, not absent.*