# Swagger UI vs Thunder Client

**Leader by vioscaleAI score:** Swagger UI

| Attribute | Swagger UI | Thunder Client |
|---|---|---|
| **vioscaleAI score** | 68.6 (68% (medium)) | 61.5 (29% (low)) |
| activity.commits_last_30d | 26 | - |
| adoption.dependent_repos | 60,531 | - |
| adoption.github_stars | 29,027 | - |
| adoption.package_downloads_weekly | 129,984 | - |
| content.faq | `[{"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}]` | `[{"answer":"A VS Code extension for testing and managing REST API requests with a clean, simple interface. Supports team collaboration by storing request data in Git repositories and includes advanced CLI capabilities. It is indexed under API Development Tools.","source":"https://www.thunderclient.com/","question":"What is Thunder Client?","confidence":0.6},{"answer":"Thunder Client offers a free tier, so you can start without paying. Paid plans start at $3 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://www.thunderclient.com/pricing","question":"Is Thunder Client free?","confidence":0.6},{"answer":"Thunder Client supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.thunderclient.com/pricing","question":"What platforms does Thunder Client support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Thunder Client, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.thunderclient.com/pricing","question":"Can Thunder Client be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Thunder Client. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Thunder Client not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.thunderclient.com/privacy","question":"What security certifications does Thunder Client have?","confidence":0.7},{"answer":"Thunder Client is available worldwide. The vendor is headquartered in Ireland.","source":"https://www.thunderclient.com/pricing","question":"Where is Thunder Client available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"on_prem":true}` | `{"cloud":true}` |
| description.long | 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. | A VS Code extension for testing and managing REST API requests with a clean, simple interface. Supports team collaboration by storing request data in Git repositories and includes advanced CLI capabilities. |
| features.capabilities | `{"api_docs":true,"mock_server":true,"rest_client":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"automated_testing":true}` | `{"rest_client":true,"grpc_support":true,"collaboration":true,"ci_integration":true,"graphql_support":true,"automated_testing":true}` |
| integrations.count | 3 | 2 |
| integrations.list | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"BitBucket"}]` | `[{"name":"Azure"},{"name":"AWS"}]` |
| language.primary | JavaScript | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","EU","AU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"IE","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true}` |
| pricing | `{"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"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","features":["VS Code extension","Local storage"],"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Starter","summary":"$3/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","250 Collection Runs per user"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":3,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"250/month"}},{"free":false,"name":"Business","summary":"$7/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","500 Collection Runs per user"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":7,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"500/month"}},{"free":false,"name":"Enterprise","summary":"$16/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","Unlimited Collection Runs","Offline Activation","Enterprise SSO","Secrets Manager Integration (Azure & AWS)","License Management API","Audit Logs","Performance Testing"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":16,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"Unlimited"}}],"summary":"From free to $16/user/month. 14-day free trial available.","currency":"USD","freeTier":true,"sourceUrl":"https://www.thunderclient.com/pricing","retrievedAt":"2026-08-14T08:32:19.922Z","freeTrialDays":14,"startingPrice":{"amount":3,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | low |
| pricing.transparent | yes | yes |
| release.cadence_days | 11 | - |
| release.history | `[{"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"}]` | - |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.scorecard | 7.3 | - |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"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 | Swagger UI | Thunder Client |
|---|:--:|:--:|
| **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 2026-10-20T08:22:18.168Z. "-" = undocumented, not absent.*
