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.
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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
K
Kysely
+Best TypeScript types of any query builder
+Close to raw SQL
+Fast
+Edge-compatible
+No codegen step
−Not a full ORM (no relations magic)
−Less magic means more code
−Smaller community than Prisma
S
Sequelize
+Most mature Node.js ORM
+Huge community
+Lots of examples and answers online
+Flexible
−Poor TypeScript support vs Prisma
−Complex API
−Can produce inefficient queries
−Dated feel
Should You Use Kysely or Sequelize?
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