This story was originally published on HackerNoon at: https://hackernoon.com/building-chatbots-from-scratch-understanding-and-harnessing-large-language-models-llms. Imagine having a super smart friend who has read every book, article, and blog post on the internet. Check more stories related to machine-learning at: https://hackernoon.com/c/machine-learning. You can also check exclusive content about #large-language-models, #prompt-engineering, #langchain, #node.js, #ai-technologies, #chatbot-development, #openai-api-integration, #natural-language-processing, and more. This story was written by: @nassermaronie. Learn more about this writer by checking @nassermaronie's about page, and for more stories, please visit hackernoon.com. Large Language Models (LLMs) like OpenAI’s GPT are revolutionizing how we interact with technology. LLMs are trained on vast amounts of text data, making them ideal for applications such as chatbots. Prompt Engineering is the art of designing prompts from specific responses from an AI.