# Fastify vs Fiber

| Attribute | Fastify | Fiber |
|---|---|---|
| **Vioscale score** | 63.9 (78% (high)) | 65.7 (67% (medium)) |
| activity.commits_last_30d | 69 | 100 |
| adoption.dependent_repos | 16,712 | 5,223 |
| adoption.github_stars | 37,024 | 40,088 |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | A Node.js web framework optimized to handle high request volumes with minimal overhead, featuring a plugin system, JSON Schema validation, and native TypeScript support. | An open-source Go framework built on the Fasthttp HTTP engine, providing familiar Express-like routing and middleware patterns for building web APIs and servers with minimal overhead. |
| features.capabilities | `{"language":"JavaScript/TypeScript","api_routes":true,"typescript_first":true}` | `{"language":"Go","api_routes":true,"file_routing":false,"server_components":true}` |
| integrations.count | 17 | - |
| integrations.list | `[{"name":"Next.js"},{"name":"Apollo Server"},{"name":"Angular"},{"name":"PostgreSQL"},{"name":"MongoDB"},{"name":"Redis"},{"name":"Elasticsearch"},{"name":"Swagger/OpenAPI"},{"name":"WebSocket"},{"name":"JWT"},{"name":"Helmet"},{"name":"Sentry"},{"name":"RabbitMQ"},{"name":"CORS"},{"name":"CSRF"},{"name":"OAuth2"},{"name":"Kubernetes"}]` | - |
| language.primary | JavaScript | Go |
| license.spdx | MIT | MIT |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fastify.dev","retrievedAt":"2026-08-16T21:34:26.497Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://gofiber.io/","retrievedAt":"2026-08-13T22:40:15.243Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 3 | 26 |
| release.history | `[{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.2","date":"2026-08-19T01:54:36Z","type":"prerelease","version":"v6.0.0-alpha.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.12.1","date":"2026-08-18T19:51:41Z","type":"stable","version":"v5.12.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.1","date":"2026-08-13T15:57:10Z","type":"prerelease","version":"v6.0.0-alpha.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.12.0","date":"2026-08-13T15:55:21Z","type":"stable","version":"v5.12.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.0","date":"2026-08-11T08:32:37Z","type":"prerelease","version":"v6.0.0-alpha.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.3","date":"2026-08-08T06:55:46Z","type":"stable","version":"v5.11.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.2","date":"2026-08-03T08:21:47Z","type":"stable","version":"v5.11.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.1","date":"2026-08-03T08:10:10Z","type":"stable","version":"v5.11.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.0","date":"2026-07-30T09:32:16Z","type":"stable","version":"v5.11.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.10.0","date":"2026-07-05T09:37:06Z","type":"stable","version":"v5.10.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.9.0","date":"2026-06-28T08:21:36Z","type":"stable","version":"v5.9.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.5","date":"2026-04-14T12:09:02Z","type":"stable","version":"v5.8.5"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.4","date":"2026-03-23T10:31:20Z","type":"stable","version":"v5.8.4"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.3","date":"2026-03-23T10:20:21Z","type":"stable","version":"v5.8.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.2","date":"2026-03-07T09:42:46Z","type":"stable","version":"v5.8.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.1","date":"2026-03-05T10:10:57Z","type":"stable","version":"v5.8.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.0","date":"2026-03-05T09:33:05Z","type":"stable","version":"v5.8.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.4","date":"2026-02-02T18:23:39Z","type":"stable","version":"v5.7.4"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.3","date":"2026-02-02T17:57:52Z","type":"stable","version":"v5.7.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.2","date":"2026-01-26T11:15:54Z","type":"stable","version":"v5.7.2"}]` | `[{"url":"https://github.com/gofiber/fiber/releases/tag/v3.5.0","date":"2026-08-13T07:24:30Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.15","date":"2026-08-12T15:03:17Z","type":"stable","version":"v2.52.15"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.14","date":"2026-07-06T06:30:09Z","type":"stable","version":"v2.52.14"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.4.0","date":"2026-07-02T07:39:44Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.3.0","date":"2026-05-22T07:15:22Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.2.0","date":"2026-04-25T10:53:02Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.13","date":"2026-04-25T13:07:17Z","type":"stable","version":"v2.52.13"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.1.0","date":"2026-02-24T20:30:38Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.12","date":"2026-02-24T20:40:25Z","type":"stable","version":"v2.52.12"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0","date":"2026-02-02T18:22:38Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.11","date":"2026-01-31T15:56:24Z","type":"stable","version":"v2.52.11"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.3","date":"2025-11-19T15:42:23Z","type":"prerelease","version":"v3.0.0-rc.3"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.10","date":"2025-11-19T14:21:16Z","type":"stable","version":"v2.52.10"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.2","date":"2025-09-29T11:15:51Z","type":"prerelease","version":"v3.0.0-rc.2"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.1","date":"2025-08-26T07:28:06Z","type":"prerelease","version":"v3.0.0-rc.1"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-beta.5","date":"2025-07-20T14:49:17Z","type":"prerelease","version":"v3.0.0-beta.5"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.9","date":"2025-07-20T13:43:53Z","type":"stable","version":"v2.52.9"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.8","date":"2025-05-22T07:01:43Z","type":"stable","version":"v2.52.8"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-beta.4","date":"2024-12-31T17:00:22Z","type":"prerelease","version":"v3.0.0-beta.4"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.6","date":"2024-12-31T17:12:37Z","type":"stable","version":"v2.52.6"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 8.3 | 7 |
| security.vulnerabilities | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=fastify&per_page=100","last_12m":5,"max_severity":"HIGH"}` | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgofiber%2Ffiber%2Fv2&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` |

## Capabilities (Web Frameworks)

| Capability | Fastify | Fiber |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | - | - |
| File-based routing | - | ✗ |
| Language | JavaScript/TypeScript | Go |
| **Rendering** |  |  |
| Server components | - | ✓ |
| Streaming SSR | - | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | ✓ | - |
| Fast refresh / HMR | - | - |
| **Deployment** |  |  |
| Edge runtime support | - | - |

*Source: Vioscale. Generated 2026-09-01T17:30:10.171Z. "-" = undocumented, not absent.*
