Mike Chen Rui

Jul 9, 2026 · Artificial Intelligence

Understanding AI Large Model Architecture: A Complete Visual Guide

This article explains how modern AI large models—such as GPT‑4, Claude 3.5, Gemini, Llama, and DeepSeek—rely on the Transformer architecture, detailing token embeddings, self‑attention, positional encoding, and the three‑stage training pipeline of pre‑training, instruction fine‑tuning, and alignment optimization.