Comparison

SeaORM 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.

SeaORM full profile →Sequelize full profile →

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SeaORM58

★Sequelize74

Attribute comparison across 2 tools
Attribute	SeaORM	SequelizeLeader
Vioscale score	58 / 100low · 46%	74 / 100medium · 72%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	-	✓
Security
Disclosure policysecurity.disclosure_policy	-	✓
Scorecardsecurity.scorecard	-	6.7
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=sea-orm&per_page=100 · Last 12m: 0	Count: 19 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sequelize&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	429	193,226
Github starsadoption.github_stars	9,870	30,377
Package downloads weeklyadoption.package_downloads_weekly	-	2,842,247
Activity
Commits last 30dactivity.commits_last_30d	27	7
Release
Cadence daysrelease.cadence_days	9	20
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	Rust	TypeScript
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

SeaORM58 / 100low · 46%

Sequelize74 / 100medium · 72%

Pricing

Free tier

SeaORM✓

Sequelize✓

Model

SeaORMcommercial

Sequelizecommercial

Price level

SeaORMfree

Sequelizefree

Transparent

SeaORM–

Sequelize✓

Security

Disclosure policy

SeaORM–

Sequelize✓

Scorecard

SeaORM–

Sequelize6.7

Vulnerabilities

SeaORMCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=sea-orm&per_page=100 · Last 12m: 0

SequelizeCount: 19 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sequelize&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Reliability

Status page

SeaORM✓

Sequelize–

Adoption

Dependent repos

SeaORM429

Sequelize193,226

Github stars

SeaORM9,870

Sequelize30,377

Package downloads weekly

SeaORM–

Sequelize2,842,247

Activity

Commits last 30d

SeaORM27

Sequelize7

Release

Cadence days

SeaORM9

Sequelize20

History

SeaORM20 items

Sequelize20 items

License

Spdx

SeaORMApache-2.0

SequelizeMIT

Language

Primary

SeaORMRust

SequelizeTypeScript

Market

Availability

SeaORM–

SequelizeAvailable worldwide

Capabilities

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

Capability comparison for ORM & Database Tools
Capability	SeaORM	Sequelize
Core
Type-safe queries	✓	✓
Schema migrations	✓	✓
Relations / joins API	✓	✓
Languages	Rust	JavaScript, TypeScript
Modelling
Schema-first modelling	-	✓
Flexibility
Raw SQL escape hatch	-	-
Portability
Multiple database backends	-	✓
Ops
Connection pooling	-	-
DX
Data browser / studio	-	-

Core

Type-safe queries

SeaORM✓

Sequelize✓

Schema migrations

SeaORM✓

Sequelize✓

Relations / joins API

SeaORM✓

Sequelize✓

Languages

SeaORMRust

SequelizeJavaScript, TypeScript

Modelling

Schema-first modelling

SeaORM-

Sequelize✓

Flexibility

Raw SQL escape hatch

SeaORM-

Sequelize-

Portability

Multiple database backends

SeaORM-

Sequelize✓

Ops

Connection pooling

SeaORM-

Sequelize-

Data browser / studio

SeaORM-

Sequelize-

What each one is

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

SeaORM

SeaORM is an async ORM library designed for Rust that provides dynamic database interaction capabilities.

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.

SeaORM

Open sourceFree tier

Free and open-source

as of 2026-08-03verify ↗

Sequelize

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	SeaORM	Sequelize
CLIPlatforms	-	✓
Self-hostedDeployment	-	✓

Platforms

CLI

SeaORM–

Sequelize✓

Deployment

Self-hosted

SeaORM–

Sequelize✓

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