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LLMs-from-scratch

rasbt/LLMs-from-scratch

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

GraphCanon updated 6d · GitHub synced 6d · 36 views this month

103k stars16k forksLast push 1w Jupyter Notebook Other

Decision brief

LLMs-from-scratch is a project-oriented repository aimed at building PyTorch-based language models from the ground up, with detailed step-by-step instructions.

Good fit when

  • - You are an advanced practitioner aiming to fully understand the underpinnings of LLMs using PyTorch as your primary framework.
  • - Your goal is not just to deploy a model but also to deeply comprehend each component and tweak it accordingly, allowing for high customization.

Avoid when

  • - If you are looking for a rapid deployment of an LLM without understanding its intricate structure - this tool requires extensive manual and conceptual work.
  • - You prefer frameworks with automatic model generation or other high-level abstractions that simplify the process. This repository emphasizes manual creation, which is more time-consuming but offers丰

Observed Jul 11, 2026 · Source: enrich:decision_facts

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Maintenance and security

Full trust report
Maintenance
Very active (5d since push)
As of 6d
Provenance
Not a fork · Personal account
As of 6d
Security (OSV)
No lockfile
As of 1mo

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Install

git clone https://github.com/rasbt/LLMs-from-scratch

How it fits your stack(32)

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Evidence and technical details

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Overview

A repository focused on building a ChatGPT-like language model using PyTorch with detailed steps.

Capability facts

Languages
jupyter notebook, python

Source: github.language+pyproject.toml · Aug 16, 2026

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README

Hardware Requirements

The code in the main chapters of this book is designed to run on conventional laptops within a reasonable timeframe and does not require specialized hardware. This approach ensures that a wide audience can engage with the material. Additionally, the code automatically utilizes GPUs if they are available. (Please see the setup doc for additional recommendations.)

 

For agents

This page has a .md twin and JSON over the API.

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