Building LLMs from Scratch: A Deep Dive into Tokenization and Data Pipelines

research#llm📝 Blog|Analyzed: Jan 14, 2026 07:30
Published: Jan 14, 2026 01:00
1 min read
Zenn LLM

Analysis

This article series targets a crucial aspect of LLM development, moving beyond pre-built models to understand underlying mechanisms. Focusing on tokenization and data pipelines in the first volume is a smart choice, as these are fundamental to model performance and understanding. The author's stated intention to use PyTorch raw code suggests a deep dive into practical implementation.

Key Takeaways

Reference / Citation
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"The series will build LLMs from scratch, moving beyond the black box of existing trainers and AutoModels."
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Zenn LLMJan 14, 2026 01:00
* Cited for critical analysis under Article 32.