# When Python Isn’t Fast Enough: Building a Token-Aware RAG Chunker in Rust

> Source: <https://pub.towardsai.net/when-python-isnt-fast-enough-building-a-token-aware-rag-chunker-in-rust-6d3a93069367?source=rss----98111c9905da---4>
> Published: 2026-06-30 15:01:03+00:00

How naive character-count splitting silently corrupts your embeddings, why Python hits a parallelism ceiling, and how a Rust extension…
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