# Diesel vs sqlc

**Leader by vioscaleAI score:** Diesel

| Attribute | Diesel | sqlc |
|---|---|---|
| **vioscaleAI score** | 62.1 (50% (medium)) | 52.5 (42% (low)) |
| activity.commits_last_30d | 100 | 42 |
| adoption.dependent_repos | 3,691 | 4 |
| adoption.github_stars | 14,201 | 18,376 |
| content.faq | `[{"answer":"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. It is indexed under ORM & Database Tools.","source":"https://diesel.rs","question":"What is Diesel?","confidence":0.6},{"answer":"Diesel is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://diesel.rs","question":"Is Diesel free to use?","confidence":0.6},{"answer":"Yes. Diesel is published under the Apache-2.0 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/diesel-rs/diesel","question":"Is Diesel open source?","confidence":0.95}]` | `[{"answer":"An open-source code generator that produces type-safe application code from raw SQL queries, supporting PostgreSQL, MySQL, SQLite, and ClickHouse databases. It is indexed under ORM & Database Tools.","source":"https://docs.sqlc.dev","question":"What is sqlc?","confidence":0.6},{"answer":"sqlc is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://docs.sqlc.dev","question":"Is sqlc free to use?","confidence":0.6},{"answer":"sqlc supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://docs.sqlc.dev","question":"What platforms does sqlc support?","confidence":0.6},{"answer":"Yes. sqlc can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://docs.sqlc.dev","question":"Can sqlc be self-hosted?","confidence":0.6},{"answer":"Yes. sqlc 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/sqlc-dev/sqlc","question":"Is sqlc open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A Rust library that provides type-safe database access with compile-time verification, featuring both a query builder API and raw SQL support across multiple database systems including PostgreSQL, MySQL, and SQLite. | A command-line tool that reads SQL queries and generates type-safe code in multiple programming languages, eliminating manual database access code while maintaining type safety across database interactions. |
| 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":true}` | `{"raw_sql":true,"multi_db":true,"languages":"Go; community support for Python","migrations":true,"studio_gui":false,"schema_first":true,"type_safe_queries":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"PostgreSQL","native":true},{"name":"MySQL","native":true},{"name":"SQLite","native":true},{"name":"Oracle","native":true},{"name":"Firebird","native":true}]` | - |
| language.primary | Rust | Go |
| license.spdx | Apache-2.0 | MIT |
| platform.support | - | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://diesel.rs","retrievedAt":"2026-10-13T13:49:22.704Z"}` | `{"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 | 32 | 42 |
| release.history | `[{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.14","date":"2026-10-07T14:04:16Z","type":"stable","version":"v2.3.14"},{"url":"https://github.com/diesel-rs/diesel/releases/tag/v2.3.13","date":"2026-09-04T14:56:06Z","type":"stable","version":"v2.3.13"},{"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/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 | 6.9 | 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=homebrew&package_name=sqlc&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: vioscaleAI. Generated 2026-10-16T17:47:15.398Z. "-" = undocumented, not absent.*