# CPython Performance Evolution: From Specialization to JIT

DevFeed: [CPython Performance Evolution: From Specialization to JIT](<https://devfeed.tech/articles/cpython-performance-evolution-from-specialization-to-jit-10.md>)

Original publisher: [Read original article](<https://blog.abhimanyu-saharan.com/posts/cpython-performance-evolution-from-specialization-to-jit>)

Author: Abhimanyu Saharan

Published: 2025-05-24T00:00:00Z

Content type: article

Language: en

Sources: [Abhimanyu Saharan](<https://devfeed.tech/sources/abhimanyu-s-blog.md>)

Topics: [JIT](<https://devfeed.tech/topics/jit.md>)

Tags: [3](<https://devfeed.tech/tags/3.md>), [adaptive](<https://devfeed.tech/tags/adaptive.md>), [bytecode](<https://devfeed.tech/tags/bytecode.md>), [evolution](<https://devfeed.tech/tags/evolution.md>), [jit](<https://devfeed.tech/tags/jit.md>), [performance](<https://devfeed.tech/tags/performance.md>), [python](<https://devfeed.tech/tags/python.md>), [python-3-14](<https://devfeed.tech/tags/python-3-14.md>)

## AI overview

This article explains CPython's performance evolution from adaptive bytecode in version 3.11 to JIT execution in version 3.14, improving performance without requiring an interpreter rewrite.

## Source excerpt

Explore how CPython evolved from adaptive bytecode in 3.11 to JIT execution in 3.14, boosting performance without rewriting the interpreter.