sol2 VS pybind11

Compare sol2 vs pybind11 and see what are their differences.


Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation: (by ThePhD)


Seamless operability between C++11 and Python (by pybind)
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sol2 pybind11
20 42
3,922 14,680
- 1.3%
3.9 8.7
22 days ago 5 days ago
C++ C++
MIT License 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.


Posts with mentions or reviews of sol2. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-20.
  • Any tips for how to make moddable games?
    4 projects | /r/gamedev | 20 May 2023
    As someone said, make the game data-driven is a good first step but I will say, also have some sort of way to add additional game logic. For C++ games, lua is really easy to embed the interpreter in your C++ binary, read in the files from a directory (like /mods) with the C++ filesystem api new in C++17, and it's very easy to use SoL to write an API for lua specific to your game. Many games use lua in this way and it's probably the most common mod path setup.
  • Script Interoperability
    2 projects | /r/C_Programming | 28 Apr 2023
    I've only ever done this from C++, but it's using the same lua C library, so should be durable from C as well. You can look up how sol2 or any other wrapper libraries do it.
  • CBN Changelog: December 3, 2022. Improved LUA support in progress!
    2 projects | /r/cataclysmbn | 3 Dec 2022
    This version relies on a Lua C++ wrapper called sol2 to hide Lua stack management from the developer, so creating new bindings can be done by adding a few lines of human-readable C++. It still has to be done manually, but at least sol2 is able to automatically figure out types of objects being bound, so it's not much different from our de-/serialization code.
  • RTS programming game where you write real C++ code to control your player.
    4 projects | /r/cpp | 11 Nov 2022
  • Tools for rolling your own engine
    9 projects | /r/gamedev | 16 May 2022
    Here is link number 2 - Previous text "Sol"
    9 projects | /r/gamedev | 16 May 2022
    Sol for fast lua embedding
  • jluna: a new Julia &lt;-&gt; C++ Wrapper
    4 projects | /r/cpp | 12 Mar 2022
    It is half of a pun as I was inspired by [sol3]( which is a lua <-> c++ wrapper. Sol means sun and the julia c-api prefixes all it's functions with jl, luna means moon so it is pronounced "jay luna"
    4 projects | /r/cpp | 12 Mar 2022
    So far, it has been cumbersome to embed it into C-language projects, because it's C-interface is hard to use and poorly documented. Because of this, many choose to just use python or lua instead.
  • A new C++ &lt;-&gt; Julia Wrapper: jluna
    4 projects | /r/Julia | 5 Feb 2022
    If you want to be portable I'd recommend C++ and Lua, I used those for years and it runs on everything and there's this most amazing wrapper API which was a huge inspiration
  • Why the C Language Will Never Stop You from Making Mistakes
    5 projects | | 30 Dec 2021
    Off topic, but this is the author of my favourite Lua C++ binding library ( Great guy!


Posts with mentions or reviews of pybind11. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-11-06.

What are some alternatives?

When comparing sol2 and pybind11 you can also consider the following projects:

PyO3 - Rust bindings for the Python interpreter

nanobind - nanobind: tiny and efficient C++/Python bindings

Optional Argument in C++ - Named Optional Arguments in C++17

Lua - Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.

setuptools-rust - Setuptools plugin for Rust support

PEGTL - Parsing Expression Grammar Template Library

ChaiScript - Embedded Scripting Language Designed for C++

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

sparsehash - C++ associative containers

py2many - Transpiler of Python to many other languages

dynamic_bitset - Simple Useful Libraries: C++17/20 header-only dynamic bitset

wasmtime - A fast and secure runtime for WebAssembly