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Open-source comparison · ORM

prismavstypeorm

Prisma uses a separate schema file + generated client. TypeORM uses decorators on TypeScript classes. Prisma wins on DX and type safety; TypeORM wins on flexibility and existing-DB integration.

Option A
prisma

prisma

github.com/prisma/prisma

The polished ORM. ~38k stars. Best developer experience for relational data, declarative schema, generated client. Trade-off: cold starts on serverless are slower than Drizzle, and the abstraction can fight you on complex queries.

Full review →
Option B
typeorm

typeorm

github.com/typeorm/typeorm

Decorator-based ORM, used heavily in NestJS ecosystem. Battle-tested but development pace has slowed. Drizzle and Prisma are the newer defaults for greenfield projects.

Full review →

Which should you pick?

Pick prisma if…

Your team values DX over performance and most queries are CRUD on relational data.

Skip prisma if…

You are running on Edge or Vercel functions where cold start matters — Drizzle is faster.

Pick typeorm if…

You are on NestJS where TypeORM is the expected default.

Skip typeorm if…

You are starting a new project — pick Drizzle or Prisma.

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More ORM comparisons

prisma vs typeorm — GitHub Repo Comparison (Honest 2026 Take) — StackPicks — StackPicks