pybind11 ☆

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Description:
Seamless operability between C++11 and Python

Type: Formula | Latest Version: 3.0.1@0 | Tracked Since: Oct 10, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c++ python bindings header-only development

Install: brew install pybind11

About:
pybind11 is a lightweight header-only library that exposes C++ types in Python and vice versa, mainly for creating Python bindings of existing C++ code. It uses a C++11-compatible macro-based interface that automatically generates the boilerplate code needed to interface with Python's C API. Its main value proposition is enabling seamless interoperability for performance-critical code.

Key Features:

Header-only library requiring no compilation
Supports modern C++11 features including lambdas and move semantics
Minimal boilerplate compared to other binding tools like Boost.Python

Use Cases:

Creating Python bindings for existing C++ libraries
Exposing performance-critical C++ code to Python for optimization

Alternatives:

Cython – Cython uses a Python-like language and requires a compilation step, while pybind11 uses pure C++ macros
Boost.Python – Boost.Python is more heavyweight with extensive dependencies, while pybind11 is lightweight and header-only

Version History

Detected	Rev	Change	Commit
Oct 10, 2025 1:56pm	1	VERSION_BUMP	5e50618d
Nov 3, 2024 2:38pm	1	VERSION_BUMP	a8ba918f
Oct 9, 2024 10:08am	1	VERSION_BUMP	2fc9241b
Sep 14, 2024 2:00am	0	VERSION_BUMP	d546829c
Aug 22, 2024 8:51pm	0	VERSION_BUMP	c3972377
Aug 15, 2024 11:11am	0	VERSION_BUMP	3a68f3e7
Aug 15, 2024 6:46am	0	VERSION_BUMP	46d5bfd8
Aug 13, 2024 4:51pm	0	VERSION_BUMP	b72d1b61
Oct 6, 2023 4:58pm	0	VERSION_BUMP	1f13e2e2
Mar 17, 2023 4:05am	0	VERSION_BUMP	172f760f
Mar 17, 2023 4:05am	0	VERSION_BUMP	5cb0986c
Jan 4, 2023 1:32am	0	VERSION_BUMP	125aab8f
Jan 4, 2023 1:32am	0	VERSION_BUMP	4c753df1
Dec 21, 2022 12:05pm	0	VERSION_BUMP	6ccd0006
Dec 21, 2022 12:05pm	0	VERSION_BUMP	29fb747d