How to build a GPT3.5 powered chatbot for your landing page with Langchain and Gradio

Gabriel Rennó
22 min readSep 10, 2023

A step-by-step tutorial on Large Language Models, Langchain and Gradio applications.

In today’s digital age, having a captivating online presence is essential for businesses and organizations of all sizes. While a visually appealing website is a great start, engaging with your visitors and providing them with valuable information in real-time can set you apart from the competition. This is where chatbots come into play.

Chatbots, powered by artificial intelligence (AI), have revolutionized the way we interact with websites. They can answer questions, provide assistance, and even guide visitors through a seamless user experience. However, the key to a successful chatbot lies in its ability to understand and respond to user queries effectively. That’s where GPT-3.5, an advanced AI language model, can be useful.

In this article, we’ll explore how to harness the power of GPT-3.5 to create an intelligent and responsive chatbot for your landing page. We’ll dive into the technical aspects and guide you through the process step by step. To make things even more accessible, we’ll be using two powerful tools: Langchain and Gradio.

Langchain serves as the backbone, enabling you to leverage GPT-3.5’s natural language processing…

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Gabriel Rennó

Masters student in Artificial Intelligence at Barcelona Technology School.