# HuggingFace Tokenizers Rust + Production Pipeline: Training a Production-Quality Tokenizer from Scratch

> Source: https://sukruyusufkaya.com/en/learn/llm-muhendisligi/huggingface-tokenizers-rust-production-pipeline
> Updated: 2026-05-13T13:00:26.648Z
> Category: LLM Mühendisliği
> Module: Module 6: Tokenization Microsurgery
**TLDR:** HuggingFace tokenizers crate Rust architecture, 6-layer pipeline (Normalizer → PreTokenizer → Model → PostProcessor → Decoder → Trainer), tokenizer.json format anatomy, Turkish production-grade end-to-end training, Rust internals (parallel processing, SIMD, ahash, mmap), tiktoken/SentencePiece conversion, threading + caching + FFI overhead, benchmarks.