Python 3.13 introduced the first public, if experimental, “free-threaded” or “no-GIL” builds of the language, which we’ll call “3.13t.” 3.13t allows CPU-bound Python threads to run with true ...

Want to make a Python user grind their teeth? Just recite three words: Python is slow. In many of the ways that matter, it’s true. “Pure” Python, without external libraries written in C, is nowhere ...