# SeaORM vs Sequelize

**Leader by vioscaleAI score:** Sequelize

| Attribute | SeaORM | Sequelize |
|---|---|---|
| **vioscaleAI score** | 60.1 (35% (low)) | 75.7 (69% (medium)) |
| activity.commits_last_30d | 33 | 90 |
| adoption.dependent_repos | 429 | 193,226 |
| adoption.github_stars | 9,924 | 30,349 |
| adoption.package_downloads_weekly | - | 2,730,957 |
| content.faq | `[{"answer":"SeaORM is an async ORM library designed for Rust that provides dynamic database interaction capabilities. It is indexed under ORM & Database Tools.","source":"https://www.sea-ql.org/SeaORM","question":"What is SeaORM?","confidence":0.6},{"answer":"SeaORM 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://www.sea-ql.org/SeaORM","question":"Is SeaORM free to use?","confidence":0.6},{"answer":"Yes. SeaORM 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/SeaQL/sea-orm","question":"Is SeaORM open source?","confidence":0.95}]` | `[{"answer":"Sequelize is an ORM that bridges JavaScript and TypeScript applications with multiple relational databases including PostgreSQL, MySQL, MariaDB, SQLite, Oracle, SQL Server, Snowflake, and DB2. It provides declarative schema modeling, relationship definitions, transaction support, and flexible data loading strategies. It is indexed under ORM & Database Tools.","source":"https://sequelize.org","question":"What is Sequelize?","confidence":0.6},{"answer":"Sequelize 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://sequelize.org","question":"Is Sequelize free to use?","confidence":0.6},{"answer":"Sequelize supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://sequelize.org","question":"What platforms does Sequelize support?","confidence":0.6},{"answer":"Yes. Sequelize can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://sequelize.org","question":"Can Sequelize be self-hosted?","confidence":0.6},{"answer":"Yes. Sequelize 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/sequelize/sequelize","question":"Is Sequelize open source?","confidence":0.99}]` |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | SeaORM is a feature-rich object-relational mapper for Rust that combines type-safe query construction, schema management, and advanced relationship handling to simplify building REST, GraphQL, and gRPC APIs. | Open-source object-relational mapper for Node.js and TypeScript that provides a unified interface for interacting with multiple relational databases. It includes features for managing relationships, transactions, and query optimization. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Rust","relations":true,"migrations":true,"studio_gui":true,"schema_first":true,"type_safe_queries":true,"connection_pooling":true}` | `{"multi_db":true,"languages":"JavaScript, TypeScript","relations":true,"migrations":true,"schema_first":true,"type_safe_queries":true}` |
| language.primary | Rust | TypeScript |
| license.spdx | Apache-2.0 | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","summary":"Free and open-source","freeTier":true,"sourceUrl":"https://www.sea-ql.org/SeaORM","retrievedAt":"2026-08-03T21:34:05.274Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://sequelize.org","retrievedAt":"2026-08-14T21:37:06.541Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 6 | 20 |
| release.history | `[{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.4","date":"2026-09-27T16:39:15Z","type":"stable","version":"2.0.4"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.4","date":"2026-09-27T16:44:59Z","type":"stable","version":"sea-orm-cli@2.0.4"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.3","date":"2026-09-13T10:25:58Z","type":"stable","version":"2.0.3"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.3","date":"2026-09-13T10:30:36Z","type":"stable","version":"sea-orm-cli@2.0.3"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.2","date":"2026-08-12T21:16:40Z","type":"stable","version":"2.0.2"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.2","date":"2026-08-12T21:20:38Z","type":"stable","version":"sea-orm-cli@2.0.2"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.1","date":"2026-08-02T20:18:43Z","type":"stable","version":"2.0.1"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.1","date":"2026-08-02T20:22:17Z","type":"stable","version":"sea-orm-cli@2.0.1"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.0","date":"2026-07-20T08:43:34Z","type":"stable","version":"sea-orm-cli@2.0.0"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0","date":"2026-07-20T00:10:32Z","type":"stable","version":"2.0.0"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.43","date":"2026-07-15T12:10:01Z","type":"stable","version":"2.0.0-rc.43"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.42","date":"2026-07-04T19:05:23Z","type":"stable","version":"2.0.0-rc.42"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.41","date":"2026-06-18T14:25:42Z","type":"stable","version":"2.0.0-rc.41"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/sea-orm-cli%402.0.0-rc.41","date":"2026-06-18T22:56:59Z","type":"stable","version":"sea-orm-cli@2.0.0-rc.41"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.38","date":"2026-04-09T23:26:53Z","type":"stable","version":"2.0.0-rc.38"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/1.1.20","date":"2026-03-31T11:44:15Z","type":"stable","version":"1.1.20"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.37","date":"2026-03-09T17:24:33Z","type":"stable","version":"2.0.0-rc.37"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.36","date":"2026-03-04T12:50:02Z","type":"stable","version":"2.0.0-rc.36"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.35","date":"2026-02-27T21:43:36Z","type":"stable","version":"2.0.0-rc.35"},{"url":"https://github.com/SeaQL/sea-orm/releases/tag/2.0.0-rc.34","date":"2026-02-21T10:49:37Z","type":"stable","version":"2.0.0-rc.34"}]` | `[{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.8","date":"2026-03-07T18:44:44Z","type":"stable","version":"v6.37.8"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.48","date":"2026-02-04T13:52:17Z","type":"prerelease","version":"v7.0.0-alpha.48"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.47","date":"2025-10-25T08:02:02Z","type":"prerelease","version":"v7.0.0-alpha.47"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.7","date":"2025-03-28T11:35:01Z","type":"stable","version":"v6.37.7"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.46","date":"2025-03-22T20:59:50Z","type":"prerelease","version":"v7.0.0-alpha.46"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.6","date":"2025-03-04T10:38:26Z","type":"stable","version":"v6.37.6"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.45","date":"2025-02-17T13:59:21Z","type":"prerelease","version":"v7.0.0-alpha.45"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.44","date":"2025-01-27T07:32:05Z","type":"prerelease","version":"v7.0.0-alpha.44"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.5","date":"2024-10-25T12:30:39Z","type":"stable","version":"v6.37.5"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.43","date":"2024-10-04T14:13:01Z","type":"prerelease","version":"v7.0.0-alpha.43"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.4","date":"2024-10-04T14:21:15Z","type":"stable","version":"v6.37.4"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.42","date":"2024-09-13T13:40:39Z","type":"prerelease","version":"v7.0.0-alpha.42"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.41","date":"2024-05-17T14:56:35Z","type":"prerelease","version":"v7.0.0-alpha.41"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.3","date":"2024-04-13T20:54:30Z","type":"stable","version":"v6.37.3"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.40","date":"2024-04-11T17:31:50Z","type":"prerelease","version":"v7.0.0-alpha.40"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.2","date":"2024-03-29T18:55:34Z","type":"stable","version":"v6.37.2"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.39","date":"2024-03-22T17:25:56Z","type":"prerelease","version":"v7.0.0-alpha.39"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.38","date":"2024-03-19T08:38:28Z","type":"prerelease","version":"v7.0.0-alpha.38"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v7.0.0-alpha.37","date":"2024-02-10T13:55:26Z","type":"prerelease","version":"v7.0.0-alpha.37"},{"url":"https://github.com/sequelize/sequelize/releases/tag/v6.37.1","date":"2024-02-18T00:44:09Z","type":"stable","version":"v6.37.1"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | - | yes |
| security.scorecard | - | 6.8 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=sea-orm&per_page=100","last_12m":0,"max_severity":null}` | `{"count":19,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sequelize&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (ORM & Database Tools)

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

*Source: vioscaleAI. Generated 2026-10-15T21:34:36.316Z. "-" = undocumented, not absent.*