What Is an LLM? Large Language Models Explained — A Practical Guide for 2026
An LLM (Large Language Model) is an AI system built on the transformer architecture that processes, understands, and generates human-like text by predicting the next token in a sequence. Trained on trillions of tokens from books, websites, and code repositories, LLMs such as GPT-4, Claude, and Llama 3 power applications ranging from conversational assistants and code … Read more