Comparison

Flyway vs SQLAlchemy

On the evidence we track, SQLAlchemy leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Flyway54
★SQLAlchemy75
Score
vioscaleAI score
Flyway54 / 100medium · 50%
SQLAlchemy75 / 100high · 78%
Pricing
Free tier
Flyway✓
SQLAlchemy✓
Model
Flywayfreemium
SQLAlchemyopen_source
Price level
Flywaylow
SQLAlchemyfree
Transparent
Flyway✗
SQLAlchemy✓
Integrations
Count
Flyway1
SQLAlchemy6
Adoption
Dependent repos
Flyway30,708
SQLAlchemy53,487
Github stars
Flyway10,142
SQLAlchemy12,245
Package downloads weekly
Flyway–
SQLAlchemy9,800,000
Stackoverflow questions
Flyway–
SQLAlchemy34,000
Activity
Commits last 30d
Flyway5
SQLAlchemy82
Release
Cadence days
Flyway8
SQLAlchemy8
History
Flyway20 items
SQLAlchemy20 items
License
Spdx
SQLAlchemyMIT
Language
Primary
FlywayJava
SQLAlchemyPython
Market
Content
Faq
Flyway7 items
SQLAlchemy8 items

Capabilities

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

Core
Type-safe queries
Flyway-
SQLAlchemy✓
Schema migrations
Flyway✓
SQLAlchemy✗
Relations / joins API
Flyway-
SQLAlchemy✓
Languages
FlywayJava; Maven/Gradle plugins; integrations for multiple build frameworks
SQLAlchemyPython
Modelling
Schema-first modelling
Flyway✓
SQLAlchemy✓
Flexibility
Raw SQL escape hatch
Flyway✓
SQLAlchemy✓
Portability
Multiple database backends
Flyway✓
SQLAlchemy✓
Ops
Connection pooling
Flyway-
SQLAlchemy✓
DX
Data browser / studio
Flyway✓
SQLAlchemy✗

What each one is

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

Flyway

A database migration tool that applies version-controlled schema changes to database instances using SQL. Supports 60+ database platforms and has been maintained by Redgate since 2010.

Independently observed

SQLAlchemy

Leader

A Python-based database toolkit offering both an Object-Relational Mapper for domain-driven development and a SQL construction system for direct database interaction, supporting multiple database backends.

Independently observed

Pricing

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

Flyway

freemiumFree tier

Free open-source Community edition; Enterprise edition available

  • CommunityFree
  • EnterpriseContact sales
as of verify ↗

SQLAlchemy

Leader
Open source
as of verify ↗

Platform & deployment

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

Platforms
macOS
Flyway✓
SQLAlchemy–
Windows
Flyway✓
SQLAlchemy–
Linux
Flyway✓
SQLAlchemy–
CLI
Flyway✓
SQLAlchemy–
Deployment
Cloud / SaaS
Flyway✓
SQLAlchemy✗
Self-hosted
Flyway✓
SQLAlchemy✓

Integrations

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

Flyway

12 total
  • Maven
  • Gradle
  • SBT
  • Ant
  • Spring Boot
  • Grails
  • Play!
  • DropWizard
  • Grunt
  • Griffon
  • Ninja
  • SQL Fluff
Independently observed

SQLAlchemy

Leader
6 total
  • PostgreSQL
  • MySQL
  • Oracle
  • SQL Server
  • SQLite
  • Alembic
Independently observed
Still deciding?

Flyway or SQLAlchemy: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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