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rasbt/LLMs-from-scratch

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cached 2026-03-30T12:09:59.526Z

rasbt/LLMs-from-scratch

rasbt/LLMs-from-scratch is a large, active Python repository that teaches how to build a ChatGPT-like GPT-style LLM in PyTorch from scratch, step by step. It is the official code repository for the book *Build a Large Language Model (From Scratch)*, with a substantial codebase organized by chapters plus appendices and a separate reasoning-from-scratch section. The repo is highly adopted and actively maintained, with 89,534 stars, 13,668 forks, and commits as recent as 2026-03-26.

GitHub
Stars89,534
Forks13,668
Default branchmain
Last pushed2026-03-26T16:49:44Z
Best maintainedNone
Closest to upstreamMoekyawaung-mk/LLMs-from-scratch
Most feature-richIntelligence-Manifesto/LLMs-from-scratch
Most opinionatedIntelligence-Manifesto/LLMs-from-scratch
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