Comparison

Knex.js vs Sequelize

On the evidence we track, Sequelize leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Knex.js66
Sequelize74
Score
Vioscale score
Knex.js66 / 100medium · 71%
Sequelize74 / 100medium · 72%
Pricing
Free tier
Knex.js
Sequelize
Model
Sequelizecommercial
Price level
Knex.jsfree
Sequelizefree
Transparent
Knex.js
Sequelize
Adoption
Dependent repos
Knex.js94,868
Sequelize193,226
Github stars
Knex.js20,342
Sequelize30,377
Package downloads weekly
Knex.js5,289,407
Sequelize2,842,247
Activity
Commits last 30d
Knex.js0
Sequelize7
Release
Cadence days
Knex.js28
Sequelize20
History
Knex.js20 items
Sequelize20 items
License
Spdx
Knex.jsMIT
SequelizeMIT
Language
Primary
Knex.jsJavaScript
SequelizeTypeScript
Market
Availability
Knex.js

Capabilities

Feature-by-feature on the axes that matter for orm & database tools. “-” means undocumented, not absent.

Core
Type-safe queries
Knex.js
Sequelize
Schema migrations
Knex.js
Sequelize
Relations / joins API
Knex.js
Sequelize
Languages
Knex.jsJavaScript, TypeScript
SequelizeJavaScript, TypeScript
Modelling
Schema-first modelling
Knex.js
Sequelize
Flexibility
Raw SQL escape hatch
Knex.js
Sequelize-
Portability
Multiple database backends
Knex.js
Sequelize
Ops
Connection pooling
Knex.js
Sequelize-
DX
Data browser / studio
Knex.js
Sequelize-

What each one is

The product in its own terms, so the numbers below have context.

Knex.js

An open-source Node.js package supporting nine SQL databases including PostgreSQL, MySQL, SQLite, and Oracle. Provides type-safe query building with TypeScript support, schema migrations, transaction handling with savepoints, connection pooling, and both promise and callback-based interfaces.

Independently observed

Sequelize

Leader

Sequelize is an ORM that bridges JavaScript and TypeScript applications with multiple relational databases including PostgreSQL, MySQL, MariaDB, SQLite, Oracle, SQL Server, Snowflake, and DB2. It provides declarative schema modeling, relationship definitions, transaction support, and flexible data loading strategies.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Knex.js

Open source
as of verify ↗

Sequelize

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
CLI
Knex.js
Sequelize
Deployment
Self-hosted
Knex.js
Sequelize

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.