Comparison

Ecto 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.

Ecto full profile →Sequelize full profile →

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Ecto52

★Sequelize74

Attribute comparison across 2 tools
Attribute	Ecto	SequelizeLeader
Vioscale score	52 / 100low · 39%	74 / 100medium · 72%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	open_source	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	6	-
Security
Disclosure policysecurity.disclosure_policy	-	✓
Scorecardsecurity.scorecard	5.7	6.7
Vulnerabilitiessecurity.vulnerabilities	Count: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=hex&package_name=ecto&per_page=100 · Last 12m: 0 · Max severity: CRITICAL	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	12,249	193,226
Github starsadoption.github_stars	6,487	30,377
Package downloads weeklyadoption.package_downloads_weekly	-	2,842,247
Activity
Commits last 30dactivity.commits_last_30d	12	7
Release
Cadence daysrelease.cadence_days	-	20
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	Elixir	TypeScript
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

Ecto52 / 100low · 39%

Sequelize74 / 100medium · 72%

Pricing

Free tier

Ecto–

Sequelize✓

Model

Ectoopen_source

Sequelizecommercial

Price level

Ectofree

Sequelizefree

Transparent

Ecto–

Sequelize✓

Integrations

Count

Ecto6

Sequelize–

Security

Disclosure policy

Ecto–

Sequelize✓

Scorecard

Ecto5.7

Sequelize6.7

Vulnerabilities

EctoCount: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=hex&package_name=ecto&per_page=100 · Last 12m: 0 · Max severity: CRITICAL

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

Ecto✓

Sequelize–

Adoption

Dependent repos

Ecto12,249

Sequelize193,226

Github stars

Ecto6,487

Sequelize30,377

Package downloads weekly

Ecto–

Sequelize2,842,247

Activity

Commits last 30d

Ecto12

Sequelize7

Release

Cadence days

Ecto–

Sequelize20

History

Ecto20 items

Sequelize20 items

License

Spdx

EctoApache-2.0

SequelizeMIT

Language

Primary

EctoElixir

SequelizeTypeScript

Market

Availability

Ecto–

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	Ecto	Sequelize
Core
Type-safe queries	✓	✓
Schema migrations	-	✓
Relations / joins API	✓	✓
Languages	Elixir	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

Ecto✓

Sequelize✓

Schema migrations

Ecto-

Sequelize✓

Relations / joins API

Ecto✓

Sequelize✓

Languages

EctoElixir

SequelizeJavaScript, TypeScript

Modelling

Schema-first modelling

Ecto✓

Sequelize✓

Flexibility

Raw SQL escape hatch

Ecto-

Sequelize-

Portability

Multiple database backends

Ecto✓

Sequelize✓

Ops

Connection pooling

Ecto-

Sequelize-

Data browser / studio

Ecto-

Sequelize-

What each one is

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

Ecto

A library that enables type-safe database queries and schema mapping for Elixir, supporting multiple database backends including PostgreSQL, MySQL, and SQLite with language-integrated querying.

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.

Ecto

Open source

as of 2026-08-14verify ↗

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	Ecto	Sequelize
CLIPlatforms	-	✓
Self-hostedDeployment	-	✓

Platforms

CLI

Ecto–

Sequelize✓

Deployment

Self-hosted

Ecto–

Sequelize✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Ecto

6 total

PostgreSQL
MySQL
MSSQL
SQLite3
ClickHouse
ETS

Independently observed

Sequelize

Leader

Not documented yet.

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