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GUIDE: BUILD YOUR OWN LLM FROM SCRATCH

AI DESK1 MIN READ
TUE, MAY 5, 2026

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A new GitHub repository provides a practical guide for training large language models from the ground up. The project has gained traction on Hacker News with 108 points and 12 comments.

The repository, authored by Angelos P, walks developers through the fundamentals of building an LLM without relying on pre-trained models. The guide covers essential components including data preprocessing, model architecture, training loops, and optimization techniques. The resource targets developers seeking to understand LLM internals rather than simply fine-tuning existing models. It breaks down the complex process into digestible steps, making the typically resource-intensive task more accessible. The project reflects growing interest in democratizing AI model development. Rather than depending on closed APIs or pre-built solutions, developers can now study and implement core concepts themselves. The Hacker News discussion highlights both interest and questions about practical applications, computational requirements, and how this approach compares to transfer learning methods. The modest comment count suggests the technical depth appeals to a specific audience of practitioners.

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Hacker News

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