AI Mechanics
Why LLM Prediction Is Compression (Entropy Explained)
Dr. Ibrar Ahmed3 min read
What is entropy? Next-token prediction and compression are the same math. From Shannon’s information theory to why language models train with cross-entropy. Watch next: Transformer Attention Explained - https://www. youtube. com/watch? v=rbrSteyXx_0 What you will learn • Variable-length and prefix-free codes • Self-information I = -log₂ p • Why prediction equals compression • Entropy rate of language • How this leads to LLM training loss Playlists LLM Fundamentals: https://www.
youtube. com/playlist? list=PLYnF4PwCs3xg DEEP AI: https://www. youtube. com/playlist? list=PLK3S1GR94Fzg
Watch the video for the full walkthrough. Use this page when you want the argument in writing without scrubbing the timeline.