Package

sequelize

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

v6.37.8, 7 Mar 2026MITESM + CommonJSTypes: BundledORMs and query builders

$ npm install sequelize

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 2m; +5% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 16; Direct, from package.json
Last release: 6 months ago; v6.37.8
GitHub stars: 30.4k; 4.3k forks
Open issues / PRs: 932 / 160
Contributors: -
Commits, last 52 weeks: 360

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

2,007,420 downloads last week, 9,550,645 in the last month. The 12-month change of +5% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 1517 in total
Latest version: 6.37.8, 7 Mar 20266 months ago
First published: 3 May 2011
Last push to GitHub: 24 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 932
Open pull requests: 160
Commits, last 52 weeks: 360
Dependents on npm: 7,034

Major versions

v6 first release 6.1.0, 24 Jun 2020
v5 first release 5.1.0, 13 Mar 2019
v4 first release 4.0.0, 7 Jun 2017
v3 first release 3.0.0, 17 May 2015
v2 first release 2.0.0, 10 Feb 2015
v1 first release 1.0.0, 3 May 2011
v0 first release 0.4.1, 3 May 2011

Recent releases

Version	Published
6.37.8	7 Mar 2026
6.37.7	28 Mar 2025
6.37.6	4 Mar 2025
6.37.5	25 Oct 2024
6.37.4	4 Oct 2024
6.37.3	13 Apr 2024
6.37.2	29 Mar 2024
6.37.1	18 Feb 2024
6.37.0	11 Feb 2024
6.36.0	2 Feb 2024
6.35.2	11 Dec 2023
6.35.1	19 Nov 2023
6.35.0	12 Nov 2023
6.34.0	3 Nov 2023

Compatibility

Module format: ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=10.0.0
Runtimes: -
Unpacked size (npm): 2.8 MB
Dependencies (16): wkxuuiddebugdottielodashmomentsemvervalidatorinflection@types/debugsequelize-pooltoposort-classmoment-timezone@types/validatorretry-as-promisedpg-connection-string

Install

npm install sequelize

CDN

jsDelivr: 61.2k requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/sequelize@6.37.8/
unpkghttps://unpkg.com/sequelize@6.37.8/
esm.shhttps://esm.sh/sequelize@6.37.8

Alternatives

All sequelize alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
@prisma/client Prisma Client is an auto-generated, type-safe and modern JavaScript/TypeScript ORM for Node.js that's tailored to your data. Supports PostgreSQL, CockroachDB, MySQL, MariaDB, SQL Server, SQLite & MongoDB databases.	11.8m	-	30 days ago	ESM + CommonJS	@prisma/client vs sequelize
drizzle-orm Drizzle ORM package for SQL databases	16.3m	-	3 days ago	ESM + CommonJS	drizzle-orm vs sequelize
drizzle-kit Drizzle Kit is a CLI migrator tool for Drizzle ORM. It is probably the one and only tool that lets you completely automatically generate SQL migrations and covers ~95% of the common cases like deletions and renames by prompting user input. <https://github	13.6m	-	3 days ago	ESM + CommonJS	-
drizzle-zod Generate Zod schemas from Drizzle ORM schemas	2.2m	-	1 year ago	ESM + CommonJS	-
drizzle-seed A package to seed your database using Drizzle ORM	234.2k	-	1 year ago	ESM + CommonJS	-
drizzle-typebox Generate Typebox schemas from Drizzle ORM schemas	37.6k	-	1 year ago	ESM + CommonJS	-
knex A batteries-included SQL query & schema builder for PostgresSQL, MySQL, CockroachDB, MSSQL and SQLite3	3.8m	-	2 months ago	CommonJS	-
sql-template-tag ES2015 tagged template string for preparing SQL statements, works with `pg`, `mysql`, `sqlite` and `oracledb`	62.6k	-	2 years ago	ESM only	-

Comparisons

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.

Major versions

Recent releases

Related