Benchmarking Dataclasses, Named Tuples, and Pydantic Models: Choosing the Right Python Data Structure
· 7 min read
When structuring immutable, simple data in Python, developers often choose between several tools. While Dataclasses and Pydantic models dominate modern usage, older structures like namedtuple and simpler tools like tuple and dict still have niche uses.
This article compares these common data structures based on their primary function, mutability, and performance characteristics to help you choose the best tool for the job.