<ul data-eligibleForWebStory="true"><li>CPython uses GIL to prevent data races and memory corruption in multithreading.</li><li>GIL allows only one thread execution at a time, impacting CPU-bound tasks negatively.</li><li>CPython's GIL-free build in Python 3.14 beta improves performance for CPU-bound tasks.</li><li>GIL limitation remains for I/O-bound tasks while CPU-bound tasks benefit from multithreading.</li><li>CPython GIL supports I/O tasks well but hampers CPU tasks, alternative is multi-process approach.</li></ul>

Python 3.14 and GIL in CPython

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