mongoose vs typeorm
mongoose and typeorm have comparable adoption (22,182,965 vs 18,073,696 downloads per month). typeorm ships 57% less gzipped JavaScript (146.6 kB vs 338.0 kB), which matters if bundle size is a priority. Both projects are actively maintained.
| Metric | mongoose | typeorm |
|---|---|---|
| Weekly downloads | 5,228,646✓ | 4,208,495 |
| Monthly downloads | 22,182,965✓ | 18,073,696 |
| GitHub stars | 27,480 | 36,520✓ |
| Minified size | 1821.6 kB | 692.3 kB✓ |
| Minified + gzipped | 338.0 kB | 146.6 kB✓ |
| Dependencies | 6✓ | 10 |
| Open issues | 190✓ | 546 |
| Last commit | 2026-06-01✓ | 2026-05-28 |
| Latest version | 9.6.3 | 1.0.0 |
| 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
typeorm
Decorator-based ORM, popular with NestJS.
Choose it when: Decorator/entity style (e.g. NestJS apps) where you want both Active Record and Data Mapper patterns.
- + Decorator entities
- + NestJS-friendly
- + Active Record + Data Mapper
- - Uneven maintenance history
- - Runtime/type edge cases
Feature comparison
| Feature | mongoose | typeorm |
|---|---|---|
| Approach | ODM | ORM |
| Type safety | Partial | Decorators |
| Built-in migrations | ✗ No | ✓ Yes |
| Databases | MongoDB only | SQL + MongoDB |
| Pattern | Schema / models | Active Record / Data Mapper |
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[](https://devcompare.dev/compare/mongoose-vs-typeorm)Data from npm, Bundlephobia and GitHub. Last updated 2026-06-02.