The Illustrated Transformer

The Illustrated Transformer is a seminal blog post by Jay Alammar that breaks down the complex architecture of the Transformer model into digestible, visual components. It has become a standard reference in the AI community, used in world-class computer science programs to help students understand self-attention and encoder-decoder mechanics.\n\nThrough a series of high-quality diagrams and clear explanations, the guide demystifies the technology powering modern LLMs like GPT. It’s an essential resource for anyone looking to move beyond black-box understanding and into the structural details of state-of-the-art machine learning.