Cython
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About
Cython is ranked #5 of 28 in code Transpilers on Inferse. It runs on Linux, macOS, Windows. There is a free plan.
Compared on code Transpilers
- Free plan
- Yescython.org
- Syntax-version conversion
- Nocython.org
- Intermediate output
- Nocython.org
- CLI access
- Yescython.org
- API access
- Yescython.org
- Conversion mode
- source-to-sourcecython.org
Facts
- What it does
- Cython is an optimising static compiler for Python and the extended Cython language, used to write C extensions for Python.cython.org · 30 Sept 2026
- Generated code
- Cython translates source code into C or C++ code that can be compiled as Python extension modules.docs.cython.org · 30 Sept 2026
- Static typing
- Optional static type declarations can help generate more efficient C code from Python-like code.docs.cython.org · 30 Sept 2026
- C and C++
- Cython lets Python code call C or C++ code and supports declaring C or C++ types.cython.org · 30 Sept 2026
- Debugging
- Cython supports combined source-level debugging across Python, Cython and C code.cython.org · 30 Sept 2026
- Data and libraries
- The project describes using Cython with multidimensional NumPy arrays and integrating with existing low-level libraries and applications.cython.org · 30 Sept 2026
- Installation
- The documentation recommends installing Cython with pip and says some scientific Python distributions, including Anaconda and Sage, bundle it.docs.cython.org · 30 Sept 2026
- Build requirement
- Cython requires a C compiler; the installation guide gives compiler guidance for Linux, macOS and Windows.docs.cython.org · 30 Sept 2026
- Python compatibility
- The homepage says generated code compiles with major C and C++ compilers for CPython 3.8 and later, and describes PyPy support as mostly usable.cython.org · 30 Sept 2026
- Experimental support
- The homepage says support for the CPython Limited API and free-threading CPython is available in Cython 3.1 but considered experimental.cython.org · 30 Sept 2026
- Support channels
- The homepage directs users with questions to the Cython users mailing list and links a separate core developer mailing list.cython.org · 30 Sept 2026
- Intended use
- The project identifies wrapping external C libraries, embedding CPython in existing applications and speeding up Python code with fast C modules as use cases.cython.org · 30 Sept 2026
Best Cython alternatives
See all 12
8.9 Babel Free free plan, no paid price published Free plan
8.8 SWC Free free plan, no paid price published Free plan
8.1 CoffeeScript See plans price on the maker's page
7.3 Kotlin/JS Free free plan, no paid price published Free plan
7.1 Google Web Toolkit Free free plan, no paid price published Free plan
6.8 TeaVM See plans price on the maker's page Where it ranks on Inferse
- Best Code Transpilers in 2026#5 of 28
Sources
- cython.org· checked 30 Sept 2026
- docs.cython.org/en/latest/src/quickstart/overview.html· checked 30 Sept 2026
- docs.cython.org/en/latest/src/quickstart/install.html· checked 30 Sept 2026


