Cython VS PyO3

Compare Cython vs PyO3 and see what are their differences.

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Cython PyO3
79 147
8,891 10,947
1.7% 4.0%
9.8 9.8
1 day ago 3 days ago
Python Rust
Apache License 2.0 GNU General Public License v3.0 or later
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.

Cython

Posts with mentions or reviews of Cython. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-10.

PyO3

Posts with mentions or reviews of PyO3. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-05.

What are some alternatives?

When comparing Cython and PyO3 you can also consider the following projects:

SWIG - SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages.

rust-cpython - Rust <-> Python bindings

PyPy

pybind11 - Seamless operability between C++11 and Python

mypyc - Compile type annotated Python to fast C extensions

RustPython - A Python Interpreter written in Rust

Pyston - A faster and highly-compatible implementation of the Python programming language.

milksnake - A setuptools/wheel/cffi extension to embed a binary data in wheels

Stackless Python

bincode - A binary encoder / decoder implementation in Rust.

Pyjion

uniffi-rs - a multi-language bindings generator for rust