Python 3.14 Performance Benchmarks: Speed Improvements and Analysis
By
rbanffy
Pulled from the oven just right. Trustworthy, fact-dense, deeply satisfying.
Summary
This article presents benchmark performance testing results for the newly released Python 3.14 programming language, comparing it against previous Python versions. The author conducts systematic performance measurements to evaluate the speed improvements in Python 3.14, building on their previous analysis from 2024 that tracked Python's performance evolution. The content includes detailed benchmark results, charts, and tables showing performance metrics across different Python versions, with the author providing analysis of the performance gains and limitations of benchmark testing methodology.
Key quotes
· 4 pulledToday is the 8th of October 2025, just a day after the official release of Python 3.14. Let's rerun the benchmarks to find out how fast the new version of Python is!
In November of 2024 I wrote a blog post titled 'Is Python Really That Slow?', in which I tested several versions of Python and noted the steady progress the language has been making in terms of performance.
A Quick Word On How Misleading Benchmarks Can Be
If you do not care about tables and charts with results and just want to read my conclusions, click here to go to the end of the article.
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