What is a Large Language Model (LLM)? | Complete Beginner's Guide to ChatGPT, Gemini, Claude & Llama

What is a Large Language Model (LLM)? In this beginner-friendly lesson, you'll learn everything you need to know about Large Language Models (LLMs) and how they power modern AI assistants like ChatGPT, Google Gemini, Claude, Llama, Mistral, DeepSeek, and Qwen. This lesson is part of the LLM API Tutorial for Beginners series, where you'll learn how to build real AI applications using C# and .NET. 📚 In this video, you'll learn: ✅ What is a Large Language Model (LLM)? ✅ Why it is called a "Large" Language Model ✅ Massive training datasets, parameters, and computing power ✅ What LLMs can do ✅ How an LLM works step by step ✅ Popular LLMs: ChatGPT, Gemini, Claude, Llama, Mistral, DeepSeek & Qwen ✅ Real-world applications of LLMs ✅ LLM vs Traditional Chatbot ✅ LLM vs Search Engine ✅ How developers use LLM APIs ✅ Benefits and limitations of LLMs ✅ Key takeaways for AI developers 🎯 Perfect for: AI Beginners Software Developers C# & .NET Developers Students Machine Learning Beginners Generative AI Enthusiasts Anyone interested in ChatGPT and modern AI 👉 In the next videos, we'll start integrating LLM APIs into C# and .NET applications, building real-world AI solutions step by step. 👍 If you enjoyed this video, don't forget to Like, Subscribe, and Enable Notifications so you never miss future AI tutorials. 📌 Chapters 00:00 Introduction 00:45 What is an LLM? 02:20 Why Is It Called "Large"? 05:15 What Can an LLM Do? 08:20 How Does an LLM Work? 12:30 Popular LLMs 14:15 Real-World Applications 16:45 LLM vs Traditional Chatbot 18:50 LLM vs Search Engine 21:10 How Developers Use LLM APIs 23:15 Benefits & Limitations 25:20 Key Takeaways 🔖 Hashtags #LLM #LargeLanguageModel #ArtificialIntelligence #GenerativeAI #ChatGPT #GoogleGemini #ClaudeAI #Llama #OpenAI #DotNet #CSharp #AIForDevelopers #MachineLearning #LearnAI #LLMAPI #AIDevelopment #Programming #SoftwareDevelopment #AI #LearnITWithLakmal