Sebastian Raschka
Sebastian Raschka
@sebastianraschka·88.6K subscribers·306 videos

Build an LLM from Scratch 5: Pretraining on Unlabeled Data

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March 23, 2025

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Links to the book:

Link to the GitHub repository

This video explains how to pretrain a LLM from scratch.

You can find additional bonus materials on GitHub:

Pretraining GPT on the Project Gutenberg Dataset,

PyTorch Performance Tips for Faster LLM Training,

Converting the GPT2 architecture into Llama 2 and Llama 3,

Guests & Subjects Covered

Build an LLM from Scratch 5Manning LinkUsing GPTOpenAI YouGitHub Pretraining GPTFaster LLM Training Converting

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Build an LLM from Scratch 5: Pretraining on Unlabeled Data · Sebastian Raschka · Sentinel