A simple yet powerful AI chatbot built using Node.js, Express, and the OpenAI API. This project allows users to interact with ChatGPT-like functionality through a clean, browser-based interface.

• ⚡ Real-time interaction with OpenAI's GPT API
• 🧠 Smart conversational AI assistant
• 🖥️ Minimalistic and responsive frontend
• 🔐 Secure API key management via environment variables
• 🪶 Lightweight and easy to deploy

• Backend: Node.js, Express.js
• Frontend: HTML, CSS, JavaScript
• AI Model: OpenAI GPT (via API)

Follow these steps to run the chatbot locally:

git clone https://github.com/Coderxrohan/OpenAi-Chatbot-NodeJs
cd OpenAi-Chatbot-NodeJs

npm install

Create a .env file in the root directory and add:

OPENAI_API_KEY=your_openai_api_key_here

node index.js

Open your browser and go to:
👉 http://localhost:3000

OpenAi-Chatbot-NodeJs/
│
├── public/
│   ├── style.css          # Frontend CSS
│   └── script.js          # Frontend JS
│
├── views/
│   └── index.html         # Main chatbot UI
│
├── .env                   # Environment variables (not committed)
├── index.js               # Express server and OpenAI API logic
├── package.json           # Project metadata and dependencies
└── README.md              # Project documentation

• Save chat history locally or to database
• Add user authentication
• Theme customization (dark/light mode)
• Mobile-friendly improvements

Contributions are welcome!
Feel free to fork this repo and submit a pull request.

This project is licensed under the MIT License.

Made with ❤️ by Rohan Sarkar

Have questions or suggestions? Open an issue or drop a star ⭐!