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Comparison guide

Sequelize vs Typeorm

Side-by-side NPM package comparison

Hero image for Sequelize vs Typeorm
  1. 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.

    Downloads unavailable · 216.3 KB gzip · Health 55/100

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  2. typeorm

    Data-Mapper ORM for TypeScript and ES2023+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.

    Downloads unavailable · 143.8 KB gzip · Health 67/100

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Choosing between Sequelize and Typeorm? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Weekly download data is unavailable for Sequelize. Weekly download data is unavailable for Typeorm. Missing data is not zero downloads. We cannot compare download activity until all counts are available.

Bundle Size

Typeorm has the smallest gzipped bundle at 143.8 KB. Sequelize comes in at 216.3 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Typeorm has an overall health score of 67/100 (good), with strong maintenance, security scores. Sequelize has an overall health score of 55/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics. Download data is incomplete; these composite scores include a fallback popularity input and should not determine an overall winner.

When to Choose Each

Choose Sequelize if you value strong security track record. Choose Typeorm if you value actively maintained, strong security track record.

Our Verdict

Download data is incomplete for this comparison of Sequelize and Typeorm. We are not selecting an overall winner from incomplete metrics. Compare the available bundle, maintenance, and quality information against your project's requirements.

Frequently Asked Questions

Is sequelize better than typeorm?
It depends on your needs. Sequelize has a health score of 55/100 while Typeorm scores 67/100. Weekly download data is incomplete, so no popularity ranking is available. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, sequelize or typeorm?
Typeorm has the smaller gzipped bundle at 143.8 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use sequelize vs typeorm?
Weekly download data is incomplete, so no popularity ranking is available. Download counts reflect package installations, not unique developers.
Which is better maintained, sequelize or typeorm?
Typeorm has a maintenance score of 100/100. Sequelize scores 60/100 and Typeorm scores 100/100 on maintenance.

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