Best LLM & Transformer Visualizations

By Pradyumna Chippigiri

January 26, 2026

Curated list of the best interactive and visual resources I've found for how LLMs and transformers work under the hood.

Interactive Articles

• LLM Vizualization, how LLM works under the hood
• Generative AI explainer
• Interactive Transformer Explainer
• The Illustrated Transformer

Vizualization videos by 3Blue1Brown

• LLM explained briefly
• The tech behind transformers