Databases (Core)

ODMantic

Sync and Async ODM for MongoDB with Pydantic integration.

Status
Generally available
Last checked
Checked · Oct 10, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

ODMantic is a Python library that provides an Object-Document Mapping (ODM) layer for MongoDB, leveraging Pydantic for model definition and validation. It supports both synchronous and asynchronous operations, making it suitable for modern web applications.

ODMantic stands out with its seamless integration of Pydantic and MongoDB, offering robust model validation and support for both sync and async operations.

When it fits — and when it doesn’t

A good fit for

  • Python developers building modern web applications with MongoDB who need robust model validation

  • Teams that require both synchronous and asynchronous database operations in their Python projects

Look elsewhere if

  • Projects requiring real-time data streaming capabilities not supported by MongoDB

  • Developers looking for a full-stack framework solution, as ODMantic is focused on the ORM layer

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited documentation and examples

    Official documentation lacks detailed guides for advanced use cases and troubleshooting

  2. 02

    Small community and limited third-party support

    Few active contributors and limited third-party integrations or plugins available

What it does well

  • Integration with Pydantic for model validation and definition

  • Supports both synchronous and asynchronous operations

  • Built on top of MongoDB, providing a robust data storage solution

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up ODMantic

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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