cattrs VS datamodel-code-generator

Compare cattrs vs datamodel-code-generator and see what are their differences.


Complex custom class converters for attrs. (by python-attrs)


Pydantic model generator for easy conversion of JSON, OpenAPI, JSON Schema, and YAML data sources. (by koxudaxi)
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cattrs datamodel-code-generator
4 5
543 1,172
9.0% -
8.9 8.6
6 days ago 8 days ago
Python Python
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of cattrs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-18.


Posts with mentions or reviews of datamodel-code-generator. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-23.

What are some alternatives?

When comparing cattrs and datamodel-code-generator you can also consider the following projects:

marshmallow - A lightweight library for converting complex objects to and from simple Python datatypes.

pydantic - Data parsing and validation using Python type hints

sqlmodel - SQL databases in Python, designed for simplicity, compatibility, and robustness.

Fast JSON schema for Python - Fast JSON schema validator for Python.

fastapi - FastAPI framework, high performance, easy to learn, fast to code, ready for production

serpy - ridiculously fast object serialization

odmantic - Sync and Async ODM (Object Document Mapper) for MongoDB based on python type hints

Pyverilog - Python-based Hardware Design Processing Toolkit for Verilog HDL

lupin is a Python JSON object mapper - Python document object mapper (load python object from JSON and vice-versa)

pydantic-factories - Pydantic based mock data generation

django-ninja - 💨 Fast, Async-ready, Openapi, type hints based framework for building APIs