Kysely vs Sequelize(2026)
Kysely is better for teams that need best typescript types of any query builder. Sequelize is the stronger choice if most mature node.js orm. Kysely is free and Sequelize is free.
Full feature breakdown, pricing details, and pros & cons below.
By Bikram Nath
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Kysely
Kysely is a type-safe SQL query builder (not a full ORM) for TypeScript with excellent autocomplete and zero magic.
Visit KyselySequelize
Sequelize is the oldest and most widely-used ORM for Node.js with a promise-based API and support for PostgreSQL, MySQL, SQLite, and more.
Visit SequelizeHow Do Kysely and Sequelize Compare on Features?
| Feature | Kysely | Sequelize |
|---|---|---|
| Pricing model | free | free |
| Starting price | Free | Free |
| Type-safe query builder | ✓ | — |
| Raw SQL escape hatches | ✓ | — |
| Migrations | ✓ | ✓ |
| Multiple dialects | ✓ | — |
| Edge-compatible | ✓ | — |
| No codegen | ✓ | — |
| Multi-dialect support | — | ✓ |
| Associations | — | ✓ |
| Hooks/Lifecycle | — | ✓ |
| Query interface | — | ✓ |
| Transactions | — | ✓ |
Kysely Pros and Cons vs Sequelize
Kysely
Sequelize
Should You Use Kysely or Sequelize?
For most teams, Kysely is the better default: it offers best typescript types of any query builder and is free. Choose Sequelize instead if most mature node.js orm matters more than not a full orm (no relations magic). There is no universal winner — the right pick depends on your budget, team size, and whether you value best typescript types of any query builder or most mature node.js orm more.
Choose Kysely if…
- •Best TypeScript types of any query builder
- •Close to raw SQL
- •Fast
Choose Sequelize if…
- •Most mature Node.js ORM
- •Huge community
- •Lots of examples and answers online