DIY AI: How to Make a Chatbot for Free

Laptop screen displaying a chatbot conversation

How to Make a Chatbot: A Beginner’s Guide

Creating a chatbot might seem like a daunting task, especially if you’re new to coding. However, with the right tools and a step-by-step guide, you can build your own chatbot in no time. In this tutorial, we’ll walk you through the process of creating a chatbot similar to the one demonstrated by Lucas on Twitter.

Step 1: Understand the Basics

Before we dive into the building process, it’s essential to understand what a chatbot is and how it works. A chatbot is a software application used to conduct an online chat conversation via text or text-to-speech, in lieu of providing direct contact with a live human agent. Chatbots are typically used in dialog systems for various purposes including customer service, request routing, or for information gathering.

Step 2: Choose Your Tools

For this tutorial, we’ll be using two libraries: Chainlit and Langchain. These libraries are designed to handle all API calls and the user interface, making the process of building a chatbot much simpler. You can download these libraries from their respective websites or use a package manager like npm or pip.

Step 3: Import Necessary Libraries

Once you’ve chosen your tools, the next step is to import the necessary libraries into your code. In our case, we’ll be importing Chainlit and Langchain. Here’s how you do it:

import chainlit
import langchain

Step 4: Create Your Prompt

The next step is to create a prompt for your chatbot. This is the message that your chatbot will initially send when interacting with a user. It can be as long or as short as you want. For this tutorial, we’ll use a simple greeting as our prompt:

prompt = "Hello! How can I assist you today?"

Step 5: Build Your Chatbot

Now that your tools and prompt are ready, it’s time to build your chatbot. This involves writing the code that will allow your chatbot to receive user input, process it, and generate a response. This can be a bit complex, especially if you’re new to coding, but don’t worry! With practice and patience, you’ll get the hang of it.

Step 6: Test Your Chatbot

After building your chatbot, it’s important to test it to ensure it’s working as expected. This involves interacting with your chatbot and checking if it responds appropriately to your inputs.

Step 7: Improve and Customize Your Chatbot

Once you’re satisfied with your chatbot’s performance, you can start improving and customizing it. This could involve adding more prompts, improving the chatbot’s responses, or even integrating it with other services.

Remember, building a chatbot is a process of continuous learning and improvement. Don’t be discouraged if your first chatbot isn’t perfect. With time and practice, you’ll be able to create a chatbot that not only works well but also provides a great user experience.


How do you make a chatbot for free? There are several platforms that allow you to create a chatbot for free, such as Chatfuel, ManyChat, and Tars. These platforms provide user-friendly interfaces and pre-built templates that make the process of creating a chatbot much simpler.

How to make a chatbot in Python? Python is a great language for building chatbots due to its simplicity and the availability of several libraries like ChatterBot and NLTK that simplify the process. You can create a chatbot in Python by defining a function that processes user input and generates a response.

**What is the best way to create a chatbot? The best way to create a chatbot depends on your specific needs and technical skills. If you’re a beginner, using a chatbot builder platform like Chatfuel or ManyChat might be the best option. These platforms provide a user-friendly interface and pre-built templates that simplify the process. If you have coding skills, you might prefer to build a chatbot from scratch using a programming language like Python or JavaScript.

How much does it cost to set up a chatbot? The cost of setting up a chatbot can vary greatly depending on the complexity of the chatbot, the platform you choose to build it on, and whether you decide to do it yourself or hire a professional. Some chatbot builder platforms offer free plans, but these usually come with limitations. Building a chatbot from scratch can be more cost-effective, especially if you have the necessary coding skills.

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