# Scalar vs Stoplight

**Leader by vioscaleAI score:** Scalar

| Attribute | Scalar | Stoplight |
|---|---|---|
| **vioscaleAI score** | 63.2 (70% (medium)) | 47.3 (61% (medium)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | 1 | 0 |
| adoption.github_stars | 16,253 | 872 |
| adoption.package_downloads_weekly | 1,422,867 | - |
| 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":"A platform for designing APIs using OpenAPI specifications with visual editors, automatic documentation generation, mock servers, and team collaboration features for API governance across organizations. It is indexed under API Development Tools.","source":"https://stoplight.io/pricing","question":"What is Stoplight?","confidence":0.6},{"answer":"Stoplight offers a free tier, so you can start without paying. Paid plans start at $11 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://stoplight.io/pricing","question":"Is Stoplight free?","confidence":0.6},{"answer":"Stoplight supports the web, Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://stoplight.io/pricing","question":"What platforms does Stoplight support?","confidence":0.6},{"answer":"Yes. Stoplight can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://stoplight.io/pricing","question":"Can Stoplight be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Stoplight, including GitHub, GitLab, Azure DevOps, Bitbucket, Google Analytics, LDAP and SAML. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://stoplight.io/pricing","question":"What does Stoplight integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Stoplight. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Stoplight not holding them. Always confirm compliance directly before you rely on it.","source":"https://stoplight.io/security-practices","question":"What security certifications does Stoplight have?","confidence":0.7}]` |
| 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. | Stoplight is a design-first platform that facilitates collaborative API development, enabling teams to design APIs using OpenAPI specifications, generate interactive documentation, create mock servers, and enforce consistency standards across API programs. |
| 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,"graphql_support":true}` |
| integrations.count | 4 | 7 |
| 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":"Azure DevOps"},{"name":"Bitbucket"},{"name":"Google Analytics"},{"name":"LDAP"},{"name":"SAML"},{"name":"Postman","native":true,"direction":"inbound"}]` |
| language.primary | TypeScript | - |
| license.spdx | MIT | - |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"mac":true,"web":true,"linux":true,"windows":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":true,"name":"Free","summary":"Free tier: 1 project, 1 user","features":["API editor","OpenAPI/JSON schema visual designer","Code-based editing","Schema reuse","Design validation","Git sync","Documentation editor","OpenAPI export","Local mock servers","Automatic mock servers","Request validation","Interactive API docs","API console"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"users":"1","projects":"1"}},{"free":false,"name":"Basic","summary":"$44/month (annual), first 3 users free, $11 per additional user/month","features":["OpenAPI/JSON schema visual designer","Interactive docs","Instant mock servers"],"minSeats":3,"commitment":"annual","components":[{"kind":"fixed","amount":44,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":11,"period":"month","currency":"USD"}],"description":"Design an API as an individual","contactSales":false,"includedLimits":{"projects":"Unlimited","users_included":"3"}},{"free":false,"name":"Startup","summary":"$113/month (annual), first 8 users free, $11 per additional user/month","features":["Private projects","Multi-branch support","Custom domains and theming","Google Analytics integration","Approved email domains"],"minSeats":8,"commitment":"annual","components":[{"kind":"fixed","amount":113,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":11,"period":"month","currency":"USD"}],"description":"Build an API program for small teams","contactSales":false,"includedLimits":{"projects":"Unlimited","users_included":"8"}},{"free":false,"name":"Pro Team","summary":"$362/month (annual), first 15 users free, $22 per additional user/month","features":["Up to 20 teams","Shared style guides","Workspace groups","Remove Stoplight branding","Self-hosted Git providers","Activity logs","LDAP & SAML SSO","Component libraries"],"minSeats":15,"commitment":"annual","components":[{"kind":"fixed","amount":362,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":22,"period":"month","currency":"USD"}],"description":"Govern APIs across your organization","contactSales":false,"includedLimits":{"teams":"20","projects":"Unlimited","users_included":"15"}},{"free":false,"name":"Enterprise","summary":"Custom pricing. Contact sales.","features":["Custom pricing","Unlimited projects and teams","Custom payment terms","Invoicing","Priority support"],"description":"Your API program at scale","contactSales":true,"includedLimits":{"teams":"Unlimited","projects":"Unlimited"}}],"summary":"From $44/month billed annually. Free tier available with 14-day trials on paid plans.","currency":"USD","freeTier":true,"sourceUrl":"https://stoplight.io/pricing","retrievedAt":"2026-08-14T08:31:37.087Z","freeTrialDays":14,"startingPrice":{"amount":11,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | high | low |
| pricing.starting_price | `{"amount":150,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | 3 | 27 |
| 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/stoplightio/studio/releases/tag/v2.10.0-stable.9587.git-0533c10","date":"2024-02-29T17:12:57Z","type":"stable","version":"v2.10.0-stable.9587.git-0533c10"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.10.0-stable.9586.git-8c1d2e0","date":"2024-02-21T18:53:11Z","type":"stable","version":"v2.10.0-stable.9586.git-8c1d2e0"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.10.0-stable.9584.git-ab7ee89","date":"2023-11-16T15:44:03Z","type":"stable","version":"v2.10.0-stable.9584.git-ab7ee89"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.10.0-stable.8870.git-32fa2af","date":"2022-12-13T16:56:05Z","type":"stable","version":"v2.10.0-stable.8870.git-32fa2af"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.10.0-stable.8821.git-e47fcf5","date":"2022-12-01T21:19:12Z","type":"stable","version":"v2.10.0-stable.8821.git-e47fcf5"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.1-stable.7959.git-777e356","date":"2022-07-13T17:10:02Z","type":"stable","version":"v2.8.1-stable.7959.git-777e356"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.1-stable.7704.git-1ff85af","date":"2022-05-23T23:49:21Z","type":"stable","version":"v2.8.1-stable.7704.git-1ff85af"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.7492.git-68a3857","date":"2022-04-14T18:27:44Z","type":"stable","version":"v2.8.0-stable.7492.git-68a3857"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.7260.git-04f3365","date":"2022-02-28T18:02:38Z","type":"stable","version":"v2.8.0-stable.7260.git-04f3365"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.7236.git-cc3bce2","date":"2022-02-24T16:40:03Z","type":"stable","version":"v2.8.0-stable.7236.git-cc3bce2"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.7145.git-d6b6ed0","date":"2022-02-01T18:14:52Z","type":"stable","version":"v2.8.0-stable.7145.git-d6b6ed0"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.6977.git-e218f17","date":"2021-12-20T20:57:26Z","type":"stable","version":"v2.8.0-stable.6977.git-e218f17"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.8.0-stable.6878.git-fbaa089","date":"2021-12-02T22:20:01Z","type":"stable","version":"v2.8.0-stable.6878.git-fbaa089"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.6547.git-2cf5b62","date":"2021-10-12T22:13:22Z","type":"stable","version":"v2.3.0-stable.6547.git-2cf5b62"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.6425.git-0073b80","date":"2021-09-22T22:05:03Z","type":"stable","version":"v2.3.0-stable.6425.git-0073b80"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.5931.git-67616e9","date":"2021-06-24T16:22:11Z","type":"stable","version":"v2.3.0-stable.5931.git-67616e9"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.5860.git-a1f1a82","date":"2021-06-07T20:29:19Z","type":"stable","version":"v2.3.0-stable.5860.git-a1f1a82"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.5757.git-ca3ccc8","date":"2021-05-11T16:06:34Z","type":"stable","version":"v2.3.0-stable.5757.git-ca3ccc8"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.5696.git-feef2f0","date":"2021-04-26T18:23:54Z","type":"stable","version":"v2.3.0-stable.5696.git-feef2f0"},{"url":"https://github.com/stoplightio/studio/releases/tag/v2.3.0-stable.5666.git-aa6309c","date":"2021-04-19T18:26:12Z","type":"stable","version":"v2.3.0-stable.5666.git-aa6309c"}]` |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"SOC 2 Type 1","level":"Type 1","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.scorecard | - | 3.6 |
| security.soc2 | 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":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fstoplightio%2Fstudio&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Development Tools)

| Capability | Scalar | Stoplight |
|---|:--:|:--:|
| **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 2026-10-16T20:58:22.057Z. "-" = undocumented, not absent.*
