mongoose vs sequelize
mongoose is downloaded 1.8× more often than sequelize (22,182,965 vs 12,085,864 per month), so it has the larger community and more answered questions online. sequelize ships 36% less gzipped JavaScript (216.3 kB vs 338.0 kB), which matters if bundle size is a priority. Both projects are actively maintained.
| Metric | mongoose | sequelize |
|---|---|---|
| Weekly downloads | 5,228,646✓ | 2,814,425 |
| Monthly downloads | 22,182,965✓ | 12,085,864 |
| GitHub stars | 27,480 | 30,349✓ |
| Minified size | 1821.6 kB | 1364.2 kB✓ |
| Minified + gzipped | 338.0 kB | 216.3 kB✓ |
| Dependencies | 6✓ | 16 |
| Open issues | 190✓ | 1,033 |
| Last commit | 2026-06-01 | 2026-06-01✓ |
| Latest version | 9.6.3 | 6.37.8 |
| License | MIT | MIT |
When to choose which
mongoose
The de-facto ODM for MongoDB.
Choose it when: MongoDB apps that want schemas, validation and middleware on top of a schemaless database.
- + Schemas & validation for Mongo
- + Middleware/hooks
- + Huge community
- - MongoDB only
- - TypeScript types are secondary
sequelize
The long-standing SQL ORM for Node.js.
Choose it when: Mature SQL projects with a large existing community and plenty of examples; less ideal if you need strong static types.
- + Very mature
- + Big community
- + Broad SQL support
- - Weaker TypeScript story
- - Verbose
Feature comparison
| Feature | mongoose | sequelize |
|---|---|---|
| Approach | ODM | ORM |
| Type safety | Partial | Partial |
| Built-in migrations | ✗ No | ✓ Yes |
| Databases | MongoDB only | SQL only |
| Pattern | Schema / models | Active Record |
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[](https://devcompare.dev/compare/mongoose-vs-sequelize)Data from npm, Bundlephobia and GitHub. Last updated 2026-06-02.