Python 3.14 Is Here. How Fast Is It?
Posted3 months agoActive3 months ago
blog.miguelgrinberg.comTechstory
skepticalmixed
Debate
20/100
Python 3.14Jit CompilerPerformance Benchmarking
Key topics
Python 3.14
Jit Compiler
Performance Benchmarking
The article discusses the release of Python 3.14 and its performance, with comments questioning the effectiveness of the new JIT compiler and sharing benchmarking results.
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Oct 9, 2025 at 12:16 PM EDT
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FWIW one thing that is worth calling out here is that the initial goal for JIT right now in Python is getting it relatively stable, functional, and more or less getting the initial implementation out there. It's not surprising at all that it's not faster.
I say this because I think the teams working on free-threaded and JIT python maybe could have done a better job publicly setting expectations.