LLMs From Scratch

Open-source

4.5

Coding & Development

Step-by-step implementation guide for building a ChatGPT-like LLM in PyTorch from scratch.

About LLMs From Scratch

LLMs From Scratch is an educational resource that walks developers through implementing a ChatGPT-like language model using PyTorch. It provides step-by-step guidance in Jupyter Notebook format, with 91.3k GitHub stars.

Best For

Developers wanting to deeply understand LLM architecture
ML engineers building custom language models

Pros & Cons

Pros

+ Comprehensive hands-on guide to understanding LLM internals
+ PyTorch implementation makes concepts concrete
+ Massive community with 91.3k GitHub stars

Cons

- Requires significant ML knowledge to fully understand
- Educational rather than production-ready code

Pricing

Open source and free to use

Key Features

Step-by-step PyTorch implementation of LLM architecture
Jupyter Notebook format for interactive learning
Covers transformer architecture from attention to full model
Open source with 91.3k GitHub stars