# Diesel vs sqlc

**Leader by Vioscale score:** Diesel

| Attribute | Diesel | sqlc |
|---|---|---|
| **Vioscale score** | 69.7 (43% (low)) | 50.9 (43% (low)) |
| activity.commits_last_30d | 100 | 39 |
| adoption.dependent_repos | 3,691 | 1 |
| adoption.github_stars | 14,161 | 18,202 |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | An open-source object-relational mapping and query builder library for Rust that enables compile-time verification of database interactions and supports multiple database backends through composable query abstractions. | An open-source code generator that produces type-safe application code from raw SQL queries, supporting PostgreSQL, MySQL, SQLite, and ClickHouse databases. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Rust","relations":true,"migrations":true,"studio_gui":false,"schema_first":true,"type_safe_queries":true,"connection_pooling":false}` | `{"raw_sql":true,"multi_db":true,"languages":"Go; community support for Python","studio_gui":false,"schema_first":true,"type_safe_queries":true}` |
| language.primary | Rust | Go |
| license.spdx | Apache-2.0 | MIT |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://diesel.rs","retrievedAt":"2026-08-14T08:30:47.717Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://docs.sqlc.dev","retrievedAt":"2026-08-14T08:35:21.413Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 33 | 42 |
| release.history | `[{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.12","date":"2026-08-07T06:07:49Z","type":"stable","version":"v2.3.12"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.11","date":"2026-07-10T06:02:47Z","type":"stable","version":"v2.3.11"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.10","date":"2026-06-05T06:30:07Z","type":"stable","version":"v2.3.10"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.9","date":"2026-04-30T12:44:17Z","type":"stable","version":"v2.3.9"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.8","date":"2026-04-24T09:25:29Z","type":"stable","version":"v2.3.8"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.7","date":"2026-03-13T07:08:59Z","type":"stable","version":"v2.3.7"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.6","date":"2026-01-23T07:57:29Z","type":"stable","version":"v2.3.6"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.5","date":"2025-12-19T07:31:24Z","type":"stable","version":"v2.3.5"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.4","date":"2025-11-26T16:29:31Z","type":"stable","version":"v2.3.4"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.3","date":"2025-10-24T13:57:15Z","type":"stable","version":"v2.3.3"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.2","date":"2025-09-19T09:18:32Z","type":"stable","version":"v2.3.2"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.0","date":"2025-09-12T12:42:57Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.12","date":"2025-07-11T12:28:38Z","type":"stable","version":"v2.2.12"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.11","date":"2025-06-18T15:18:26Z","type":"stable","version":"v2.2.11"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.10","date":"2025-04-25T06:43:32Z","type":"stable","version":"v2.2.10"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.9","date":"2025-04-04T11:29:52Z","type":"stable","version":"v2.2.9"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.8","date":"2025-03-03T17:47:32Z","type":"stable","version":"v2.2.8"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.7","date":"2025-01-31T10:19:17Z","type":"stable","version":"v2.2.7"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.6","date":"2024-12-03T18:15:25Z","type":"stable","version":"v2.2.6"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.2.5","date":"2024-11-21T10:33:55Z","type":"stable","version":"v2.2.5"}]` | `[{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.31.1","date":"2026-04-22T14:55:41Z","type":"stable","version":"v1.31.1"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.31.0","date":"2026-04-20T04:27:44Z","type":"stable","version":"v1.31.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.30.0","date":"2025-09-01T23:13:58Z","type":"stable","version":"v1.30.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.29.0","date":"2025-04-17T05:53:43Z","type":"stable","version":"v1.29.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.28.0","date":"2025-01-20T18:47:07Z","type":"stable","version":"v1.28.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.27.0","date":"2024-08-05T20:23:19Z","type":"stable","version":"v1.27.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.26.0","date":"2024-03-28T20:48:51Z","type":"stable","version":"v1.26.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.25.0","date":"2024-01-04T00:26:38Z","type":"stable","version":"v1.25.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.24.0","date":"2023-11-22T18:11:09Z","type":"stable","version":"v1.24.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.23.0","date":"2023-10-24T19:48:04Z","type":"stable","version":"v1.23.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.22.0","date":"2023-09-26T17:58:05Z","type":"stable","version":"v1.22.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.21.0","date":"2023-09-06T18:51:07Z","type":"stable","version":"v1.21.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.20.0","date":"2023-07-31T19:52:12Z","type":"stable","version":"v1.20.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.19.1","date":"2023-07-13T18:45:42Z","type":"stable","version":"v1.19.1"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.19.0","date":"2023-07-06T18:12:19Z","type":"stable","version":"v1.19.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.18.0","date":"2023-04-27T17:51:02Z","type":"stable","version":"v1.18.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.17.2","date":"2023-02-22T18:02:56Z","type":"stable","version":"v1.17.2"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.17.1","date":"2023-02-22T17:18:03Z","type":"prerelease","version":"v1.17.1"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.17.0","date":"2023-02-14T07:14:20Z","type":"stable","version":"v1.17.0"},{"url":"https://github.com/sqlc-dev/sqlc/releases/tag/v1.16.0","date":"2022-11-09T04:41:15Z","type":"stable","version":"v1.16.0"}]` |
| security.scorecard | 6.2 | 4.5 |
| security.vulnerabilities | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=diesel&per_page=100","last_12m":4,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fsqlc-dev%2Fsqlc&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (ORM & Database Tools)

| Capability | Diesel | sqlc |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | ✓ | ✓ |
| Schema migrations | ✓ | - |
| Relations / joins API | ✓ | - |
| Languages | Rust | Go; community support for Python |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | ✓ |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | ✗ | - |
| **DX** |  |  |
| Data browser / studio | ✗ | ✗ |

*Source: Vioscale. Generated 2026-09-01T14:23:51.957Z. "-" = undocumented, not absent.*