# Diesel vs MikroORM

| Attribute | Diesel | MikroORM |
|---|---|---|
| **Vioscale score** | 69.7 (43% (low)) | 65.7 (79% (high)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 3,691 | 914 |
| adoption.github_stars | 14,161 | 9,184 |
| adoption.package_downloads_weekly | - | 743,810 |
| deployment.options | - | `{"cloud":true,"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 object-relational mapping library for Node.js that uses proven patterns (Data Mapper, Unit of Work, Identity Map) to provide type-safe database access with minimal boilerplate. Supports multiple SQL and NoSQL databases with features including schema versioning, entity lifecycle hooks, and flexible data loading strategies. |
| 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":"TypeScript, JavaScript (Node.js)","relations":true,"migrations":true,"schema_first":true,"type_safe_queries":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Kysely"}]` |
| language.primary | Rust | TypeScript |
| license.spdx | Apache-2.0 | MIT |
| platform.support | - | `{"cli":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://mikro-orm.io","retrievedAt":"2026-08-14T08:37:11.055Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| release.cadence_days | 33 | 4 |
| 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/mikro-orm/mikro-orm/releases/tag/v7.1.13","date":"2026-08-20T13:23:52Z","type":"stable","version":"v7.1.13"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.12","date":"2026-08-17T11:22:27Z","type":"stable","version":"v7.1.12"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.11","date":"2026-08-06T10:31:32Z","type":"stable","version":"v7.1.11"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.10","date":"2026-08-04T09:53:13Z","type":"stable","version":"v7.1.10"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.9","date":"2026-07-30T19:49:55Z","type":"stable","version":"v7.1.9"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.8","date":"2026-07-28T15:16:42Z","type":"stable","version":"v7.1.8"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.7","date":"2026-07-17T14:00:21Z","type":"stable","version":"v7.1.7"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v6.6.16","date":"2026-07-17T13:55:34Z","type":"stable","version":"v6.6.16"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.6","date":"2026-07-13T13:17:56Z","type":"stable","version":"v7.1.6"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.5","date":"2026-06-26T14:48:34Z","type":"stable","version":"v7.1.5"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v6.6.15","date":"2026-06-17T08:40:22Z","type":"stable","version":"v6.6.15"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.4","date":"2026-06-06T13:54:25Z","type":"stable","version":"v7.1.4"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.3","date":"2026-05-31T11:06:00Z","type":"stable","version":"v7.1.3"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.2","date":"2026-05-29T13:18:56Z","type":"stable","version":"v7.1.2"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.1","date":"2026-05-22T12:00:36Z","type":"stable","version":"v7.1.1"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.1.0","date":"2026-05-20T07:43:25Z","type":"stable","version":"v7.1.0"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.0.17","date":"2026-05-17T17:12:06Z","type":"stable","version":"v7.0.17"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.0.16","date":"2026-05-14T09:51:16Z","type":"stable","version":"v7.0.16"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.0.15","date":"2026-05-09T09:41:48Z","type":"stable","version":"v7.0.15"},{"url":"https://github.com/mikro-orm/mikro-orm/releases/tag/v7.0.14","date":"2026-05-04T09:59:54Z","type":"stable","version":"v7.0.14"}]` |
| security.scorecard | 6.2 | 5.9 |
| 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":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40mikro-orm%2Fcore&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (ORM & Database Tools)

| Capability | Diesel | MikroORM |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | ✓ | ✓ |
| Schema migrations | ✓ | ✓ |
| Relations / joins API | ✓ | ✓ |
| Languages | Rust | TypeScript, JavaScript (Node.js) |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | ✓ |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | ✗ | - |
| **DX** |  |  |
| Data browser / studio | ✗ | - |

*Source: Vioscale. Generated 2026-09-01T15:18:34.794Z. "-" = undocumented, not absent.*