In today's tech world, AI (Artificial Intelligence) large models have become a hot topic. From chatbots to smart assistants, they seem to be everywhere. But if you're a beginner in AI, these concepts might feel a bit abstract and complex. Don't worry—this article will use simple, easy-to-understand language to help you grasp what AI large models are, step by step. We'll start from the basics and go deeper, avoiding too much jargon.