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nanobind is a small binding library that exposes C++ types in Python and vice versa. It is reminiscent of Boost.Python and pybind11 and uses near-identical syntax. In contrast to these existing tools, nanobind is more efficient: bindings compile in a shorter amount of time, produce smaller binaries, and have better runtime performance.

More concretely, benchmarks show up to ~4× faster compile time, ~5× smaller binaries, and ~10× lower runtime overheads compared to pybind11. nanobind also outperforms Cython in important metrics (3-12× binary size reduction, 1.6-4× compilation time reduction, similar runtime performance).

Please see the following links for tutorial and reference documentation in HTML and PDF formats.

Release files for nanobind 3.1.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for nanobind 3.1.0
File Size Uploaded
nanobind-3.1.0.tar.gz 1.1 MB Details

Built distribution (wheel)

Table of built distributions (wheels) for nanobind 3.1.0
File Interpreter ABI Platform
nanobind-3.1.0-py3-none-any.whl Python 3 none any Details

Total release size: 1.5 MB

Release files / nanobind-3.1.0.tar.gz

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Size 1.1 MB
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Release files / nanobind-3.1.0-py3-none-any.whl

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