Tutorial

How LLMs work

Interactive visual guide explaining how large language models like ChatGPT are built, from data collection to text generation.

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ynarwal.github.io

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Quick facts
What is it	Interactive visual guide explaining how large language models like ChatGPT are built, from data collection to text generation.
Pricing	Unknown
Platform	Web Application
Best for	understanding how models like ChatGPT work, learning the basics of transformer neural networks
Domain registered	2013

Data updated Aug. 1, 2026

What does How LLMs work do?

How LLMs Work is an educational website that provides a detailed, visual walkthrough of how large language models are constructed and function. It breaks down the entire process into clear stages: collecting massive internet datasets, tokenizing text into numerical representations, training the neural network on billions of parameters, and finally generating text through probabilistic sampling. The site uses interactive elements and visual demonstrations to make complex technical concepts accessible.

The tool stands out through its hands-on learning approach. It includes live demonstrations of tokenization, shows how the training loss decreases over time, and lets users experiment with temperature settings to see how randomness affects text generation. These interactive elements help users grasp abstract concepts like Byte Pair Encoding, transformer architecture, and inference sampling in a concrete way.

This resource benefits students, developers, and anyone curious about AI technology who wants to understand what happens behind the scenes when they use tools like ChatGPT. It's particularly valuable for self-learners who prefer visual explanations over dense technical papers, and for educators looking for engaging ways to teach AI fundamentals.

education Tutorial

#ai education#llm-explainer#machine learning#transformer architecture#visual-guide

Key features

What makes it stand out

Visual breakdown of LLM training pipeline

Interactive tokenization demonstration

Live training loss visualization

Token sampling simulator with temperature control

Base model behavior examples

Who is How LLMs work for?

Who benefits most from this tool

understanding how models like ChatGPT work

learning the basics of transformer neural networks

visualizing the steps from raw data to AI text generation

Trust & presence

Domain Domain registered 2013

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