# Juniper vs Relay

**Leader by Vioscale score:** Relay

| Attribute | Juniper | Relay |
|---|---|---|
| **Vioscale score** | 38.8 (32% (low)) | 71.4 (57% (medium)) |
| activity.commits_last_30d | 4 | 72 |
| adoption.dependent_repos | 271 | 76,213 |
| adoption.github_stars | 5,971 | 18,956 |
| adoption.package_downloads_weekly | - | 5,142,504 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Juniper is a library for creating GraphQL servers in Rust, providing type-safe API servers with minimal boilerplate through integration with existing web server frameworks. | An open-source framework that enables type-safe GraphQL queries in JavaScript applications, with built-in support for caching, error handling, and server-side rendering via React Server Components. |
| features.capabilities | `{"role":"server","language":"Rust","managed_cloud":false,"self_hostable":true,"subscriptions":true,"schema_approach":"code_first"}` | `{"role":"client","caching":true,"language":"JavaScript / TypeScript","federation":false,"managed_cloud":false,"self_hostable":true,"subscriptions":true,"auth_directives":false,"schema_approach":"code_first","type_generation":true,"db_introspection":false}` |
| integrations.count | 14 | - |
| integrations.list | `[{"name":"actix-web"},{"name":"axum"},{"name":"rocket"},{"name":"warp"}]` | - |
| language.primary | Rust | Rust |
| license.spdx | - | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://graphql-rust.github.io/juniper/","retrievedAt":"2026-08-14T09:18:45.857Z"}` | `{"type":"open_source","summary":"Free and open-source","freeTier":true,"sourceUrl":"https://relay.dev","retrievedAt":"2026-08-14T16:35:58.790Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| release.cadence_days | - | 47 |
| release.history | `[{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper-v0.17.1","date":"2026-01-26T16:28:41Z","type":"stable","version":"juniper-v0.17.1"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_warp-v0.9.0","date":"2025-09-08T23:23:40Z","type":"stable","version":"juniper_warp-v0.9.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_subscriptions-v0.18.0","date":"2025-09-08T21:04:27Z","type":"stable","version":"juniper_subscriptions-v0.18.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_rocket-v0.10.0","date":"2025-09-08T23:14:25Z","type":"stable","version":"juniper_rocket-v0.10.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_hyper-v0.10.0","date":"2025-09-08T22:58:41Z","type":"stable","version":"juniper_hyper-v0.10.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_graphql_ws-v0.5.0","date":"2025-09-08T21:40:24Z","type":"stable","version":"juniper_graphql_ws-v0.5.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_codegen-v0.17.0","date":"2025-09-08T19:23:55Z","type":"stable","version":"juniper_codegen-v0.17.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_axum-v0.3.0","date":"2025-09-08T22:59:23Z","type":"stable","version":"juniper_axum-v0.3.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_actix-v0.7.0","date":"2025-09-08T23:02:29Z","type":"stable","version":"juniper_actix-v0.7.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper-v0.17.0","date":"2025-09-08T19:46:10Z","type":"stable","version":"juniper-v0.17.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper-v0.16.2","date":"2025-06-25T10:27:25Z","type":"stable","version":"juniper-v0.16.2"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_axum-v0.2.0","date":"2025-01-13T17:55:30Z","type":"stable","version":"juniper_axum-v0.2.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_axum-v0.1.1","date":"2024-10-28T12:08:06Z","type":"stable","version":"juniper_axum-v0.1.1"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_actix-v0.6.0","date":"2024-07-23T13:42:13Z","type":"stable","version":"juniper_actix-v0.6.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper-v0.16.1","date":"2024-04-04T13:59:21Z","type":"stable","version":"juniper-v0.16.1"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_warp-v0.8.0","date":"2024-03-20T20:40:22Z","type":"stable","version":"juniper_warp-v0.8.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_subscriptions-v0.17.0","date":"2024-03-20T17:13:23Z","type":"stable","version":"juniper_subscriptions-v0.17.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_rocket-v0.9.0","date":"2024-03-20T20:56:54Z","type":"stable","version":"juniper_rocket-v0.9.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_hyper-v0.9.0","date":"2024-03-20T20:04:55Z","type":"stable","version":"juniper_hyper-v0.9.0"},{"url":"https://github.com/graphql-rust/juniper/releases/tag/juniper_graphql_ws-v0.4.0","date":"2024-03-20T19:13:19Z","type":"stable","version":"juniper_graphql_ws-v0.4.0"}]` | `[{"url":"https://github.com/facebook/relay/releases/tag/v21.0.1","date":"2026-05-27T17:05:47Z","type":"stable","version":"v21.0.1"},{"url":"https://github.com/facebook/relay/releases/tag/v21.0.0","date":"2026-05-18T22:35:02Z","type":"stable","version":"v21.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v20.1.1","date":"2025-08-06T23:45:00Z","type":"stable","version":"v20.1.1"},{"url":"https://github.com/facebook/relay/releases/tag/v20.1.0","date":"2025-07-28T18:02:48Z","type":"stable","version":"v20.1.0"},{"url":"https://github.com/facebook/relay/releases/tag/v20.0.0","date":"2025-06-14T01:18:21Z","type":"stable","version":"v20.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v19.0.0","date":"2025-05-02T21:35:03Z","type":"stable","version":"v19.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v18.2.0","date":"2024-11-21T18:42:55Z","type":"stable","version":"v18.2.0"},{"url":"https://github.com/facebook/relay/releases/tag/v18.1.0","date":"2024-10-04T21:25:48Z","type":"stable","version":"v18.1.0"},{"url":"https://github.com/facebook/relay/releases/tag/v18.0.0","date":"2024-09-07T01:12:44Z","type":"stable","version":"v18.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v17.0.0","date":"2024-06-14T23:56:58Z","type":"stable","version":"v17.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v16.2.0","date":"2024-01-23T16:49:06Z","type":"stable","version":"v16.2.0"},{"url":"https://github.com/facebook/relay/releases/tag/v16.1.0","date":"2023-12-11T20:21:51Z","type":"stable","version":"v16.1.0"},{"url":"https://github.com/facebook/relay/releases/tag/v16.0.0","date":"2023-10-19T22:38:09Z","type":"stable","version":"v16.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v15.0.0","date":"2023-03-08T22:16:55Z","type":"stable","version":"v15.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v14.1.0","date":"2022-07-27T17:37:43Z","type":"stable","version":"v14.1.0"},{"url":"https://github.com/facebook/relay/releases/tag/v14.0.0","date":"2022-06-08T15:11:54Z","type":"stable","version":"v14.0.0"},{"url":"https://github.com/facebook/relay/releases/tag/v13.2.0","date":"2022-03-10T18:08:49Z","type":"stable","version":"v13.2.0"},{"url":"https://github.com/facebook/relay/releases/tag/v13.1.1","date":"2022-02-09T18:02:09Z","type":"stable","version":"v13.1.1"},{"url":"https://github.com/facebook/relay/releases/tag/v13.1.0","date":"2022-02-08T16:53:14Z","type":"stable","version":"v13.1.0"},{"url":"https://github.com/facebook/relay/releases/tag/v13.0.3","date":"2022-02-07T21:41:14Z","type":"stable","version":"v13.0.3"}]` |
| reliability.status_page | yes | - |
| security.scorecard | 4.8 | 5.8 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=juniper&per_page=100","last_12m":0,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=relay-runtime&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (GraphQL Tools)

| Capability | Juniper | Relay |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Server | Client |
| Primary language | Rust | JavaScript / TypeScript |
| **Modelling** |  |  |
| Schema approach | Code-first | Code-first |
| **Scale** |  |  |
| Federation / subgraph composition | - | ✗ |
| **Realtime** |  |  |
| Real-time subscriptions | ✓ | ✓ |
| **Performance** |  |  |
| Response / edge caching | - | ✓ |
| **DX** |  |  |
| Typed code generation | - | ✓ |
| **Automation** |  |  |
| Generates API from a database | - | ✗ |
| **Security** |  |  |
| Built-in authz / permissions | - | ✗ |
| **Deployment** |  |  |
| Official hosted offering | ✗ | ✗ |
| Self-hostable | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T14:38:55.294Z. "-" = undocumented, not absent.*