In benchmarks comparing Python 3.15 and Python 3.14, Python 3.15 was found to be approximately 1.45 times faster overall.

Python 3.15 introduces lazy imports, UTF-8 as the default encoding, faster experimental JIT performance, and new profiling ...

Antonio Cuni, who is a longtime Python performance engineer and PyPy developer, gave a presentation at EuroPython 2025 about "Myths and fairy tales around Python performance" on the first day of the ...

The State of Python 2025 study emphasizes one aspect: Rust is becoming increasingly important in the Python world, especially when it comes to speed. Rust is becoming increasingly important in the ...