Is Python 3.15 "1.45x Faster"? Decoding Benchmark Numbers #KomaPy

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

A new interpreter in Python 3.14 delivers a free speed boost

The new interpreter will run Python programs as much as 5% faster, with no changes to existing code required. A beta of Python 3.14 is due in May. March 10 update ...
InfoWorld

Python 3.14 is a rational constant

Python 3.14, named after a famous irrational constant, has arrived in preview. Plus new goodness in Cython 3.1, using Python’s structural pattern matching, querying the NanoCube, and more. This (half- ...
I Programmer

Python 3.14 Goes Faster With Tail-Call Optimization

Python 3.14, which should really be called Pi-thon, has seen its fifth alpha release. It introduces a new interpreter that can be as much 30% faster, depending on what you are doing. You might think ...

Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...
BetaNews

Python 3.15 arrives with lazy imports, UTF-8 by default and a faster JIT

Python 3.15 is out with explicit lazy imports, UTF-8 as the default encoding, frozendict and sentinel types, the Tachyon ...