Alembic
A tool for managing database schema changes through versioned migration scripts
- Vendor
- The SQLAlchemy Project
- Also known as
- alembic
What is Alembic?
A migration framework that automates applying and rolling back database schema changes. It supports auto-generating migration scripts from Python models, executing them as either raw SQL or Python code, and handles multiple database backends with branching and merge workflows.
Alembic pricing
We don't have Alembic's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Alembic does
The capabilities that matter for orm & database tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Type-safe queries
- -
- Schema migrations
- ✓
- Relations / joins API
- ✓
- Languages
- Python
- Schema-first modelling
- ✓
- Raw SQL escape hatch
- ✓
- Multiple database backends
- ✓
- Connection pooling
- -
- Data browser / studio
- -
Platform & deployment
Independently observed- CLI
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Alembic FAQ
Common questions about Alembic, answered from independent, dated evidence.
What is Alembic?
Alembic is an open-source database migrations tool that provides transactional DDL support, auto-generation of migration scripts, and non-linear versioning with dependency-graph structure for managing database schema changes. It is indexed under ORM & Database Tools.
Source: https://alembic.sqlalchemy.org/
Is Alembic free to use?
Alembic is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.
Source: https://alembic.sqlalchemy.org/
What platforms does Alembic support?
Alembic supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://alembic.sqlalchemy.org/
Is Alembic open source?
Yes. Alembic is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Alembic alternatives
Other orm & database tools we track, ranked by the same independent score.
- PrismaA unified backend platform providing type-safe database access, managed Postgres, and application hosting for TypeScript developmenthigh · 75%
- SQLAlchemyPython library for database interaction through object-oriented and SQL-based approacheshigh · 79%
- SequelizeA database abstraction layer for Node.js and TypeScript that maps application objects to relational database tablesmedium · 70%
- KyselyA library for writing TypeScript-based SQL queries with compile-time type checkinghigh · 79%
- Drizzle ORMA TypeScript database library with type-safe queries and schema managementmedium · 70%
- MikroORMTypeScript database abstraction library for Node.js applicationshigh · 78%
Compare Alembic
Side by side against other orm & database tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Alembic, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Dependent projects | 79 | 0.08 | 6.3 | ✓ |
| Capabilities | 75 | 0.08 | 6.2 | ✓ |
| Release cadence | 88 | 0.07 | 5.9 | ✓ |
| Development activity | 40 | 0.12 | 4.8 | ✓ |
| Security score | 62 | 0.05 | 3.3 | ✓ |
| Stars | 69 | 0.03 | 2.3 | ✓ |
| Integrations | 0 | 0.05 | 0.0 | - |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 18 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 4 items | mediumsource · 2026-09-10 · 69% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Raw sql: Yes · Multi db: Yes · Languages: Python · Relations: Yes · Migrations: Yes · Schema first: Yes | mediumsource · 2026-09-10 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Python | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-09-10 · 95% |
Pricing
Release
Security
Is Alembic the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Alembic against the rest of the orm & database tools we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Alembic up or down: nobody can buy rank here, including you.
Take the badge
Live, always current, and free to use on your own site. It shows Alembic's independent score and links back to this profile.
<a href="https://www.vioscale.ai/software/alembic" target="_blank" rel="noopener">
<img src="https://www.vioscale.ai/badge/software/alembic.svg" alt="Alembic, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>Markdown, for a README →
[](https://www.vioscale.ai/software/alembic)Claim the profile
Verify you control the domain and you can correct the facts, add the sources we should be reading, and see how AI assistants are describing Alembic. Free, and it does not change the score.
- Correct anything wrong, with evidence
- Point our crawler at the pages that matter
- See which AI systems are reading this profile
Not the owner? How vendor profiles work