Which is the fastest version of Python?

Top 13 Best Python Compiler For Python Developers [2022 Rankings]

Python 3.7 is the fastest of the “official” Python’s and PyPy is the fastest implementation I tested.30 Mar 2018

10 Answers. Show activity on this post. It’s compiled to bytecode which can be used much, much, much faster . The reason some files aren’t compiled is that the main script, which you invoke with python main.py is recompiled every time you run the script.

PyPy is a runtime interpreter that is faster than a fully interpreted language, but it’s slower than a fully compiled language such as C.