# Hasura vs Relay

**Leader by Vioscale score:** Relay

| Attribute | Hasura | Relay |
|---|---|---|
| **Vioscale score** | 58.9 (55% (medium)) | 71.4 (57% (medium)) |
| activity.commits_last_30d | 46 | 72 |
| adoption.dependent_repos | 31 | 76,213 |
| adoption.github_stars | 32,097 | 18,956 |
| adoption.package_downloads_weekly | - | 5,142,504 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Hasura provides a platform that automatically generates GraphQL APIs from databases and external services, enabling developers to build data layers quickly. It also offers PromptQL for natural language data queries powered by AI. | 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":"Haskell (core), TypeScript, Python, Go (connectors)","managed_cloud":true,"self_hostable":true,"subscriptions":true,"auth_directives":true,"schema_approach":"introspection","db_introspection":true}` | `{"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 | 7 | - |
| integrations.list | `[{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"Elasticsearch"},{"name":"SQL Server"},{"name":"MongoDB"},{"name":"Snowflake"},{"name":"Clickhouse"}]` | - |
| language.primary | TypeScript | Rust |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Community","contactSales":false},{"free":false,"name":"Professional","contactSales":true},{"free":false,"name":"Business","contactSales":true},{"free":false,"name":"Enterprise","contactSales":true}],"summary":"Free tier available. Paid and enterprise plans require contacting sales.","freeTier":true,"sourceUrl":"https://hasura.io","retrievedAt":"2026-08-13T09:29:10.628Z"}` | `{"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 | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| release.cadence_days | 12 | 47 |
| release.history | `[{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.50.1","date":"2026-08-18T18:14:01Z","type":"stable","version":"v2.50.1"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.50.0","date":"2026-08-05T23:03:34Z","type":"stable","version":"v2.50.0"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.45.8","date":"2026-08-05T23:03:24Z","type":"stable","version":"v2.45.8"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.5","date":"2026-07-21T01:35:19Z","type":"stable","version":"v2.49.5"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.45.6","date":"2026-07-10T00:18:51Z","type":"stable","version":"v2.45.6"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.4","date":"2026-07-08T14:34:56Z","type":"stable","version":"v2.49.4"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.3","date":"2026-06-22T19:29:29Z","type":"stable","version":"v2.49.3"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.45.5","date":"2026-06-12T16:37:47Z","type":"stable","version":"v2.45.5"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.2","date":"2026-06-11T22:19:45Z","type":"stable","version":"v2.49.2"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.1","date":"2026-06-04T22:19:29Z","type":"stable","version":"v2.49.1"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.49.0","date":"2026-05-28T15:19:25Z","type":"stable","version":"v2.49.0"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.45.4","date":"2026-05-14T14:35:52Z","type":"stable","version":"v2.45.4"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.16","date":"2026-04-15T16:48:21Z","type":"stable","version":"v2.48.16"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.15","date":"2026-04-01T17:42:22Z","type":"stable","version":"v2.48.15"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.14","date":"2026-03-25T22:48:36Z","type":"stable","version":"v2.48.14"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.13","date":"2026-03-17T18:12:07Z","type":"stable","version":"v2.48.13"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.12","date":"2026-02-24T17:36:12Z","type":"stable","version":"v2.48.12"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.11","date":"2026-02-05T23:19:50Z","type":"stable","version":"v2.48.11"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.10","date":"2026-01-15T08:35:01Z","type":"stable","version":"v2.48.10"},{"url":"https://github.com/hasura/graphql-engine/releases/tag/v2.48.9","date":"2025-12-24T09:10:33Z","type":"stable","version":"v2.48.9"}]` | `[{"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.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.scorecard | 5.2 | 5.8 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=graphql2chartjs&per_page=100","last_12m":0,"max_severity":null}` | `{"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 | Hasura | Relay |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Server | Client |
| Primary language | Haskell (core), TypeScript, Python, Go (connectors) | JavaScript / TypeScript |
| **Modelling** |  |  |
| Schema approach | DB introspection | 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 2026-09-01T15:19:54.318Z. "-" = undocumented, not absent.*