Mini ChatGPT — Local AI Chatbot 💬

A lightweight AI chatbot that runs completely offline on your laptop.
No internet. No API key. Powered by Ollama + Mistral model.

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📁 Project Structure

kishore/
├── server.js           # Express backend — talks to Ollama
├── public/
│   ├── index.html      # Chat UI
│   ├── script.js       # Frontend logic + typewriter effect
│   └── style.css       # Dark theme styling
└── package.json        # Node.js dependencies

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⚙️ How It Works

You type a question in the browser
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Express server receives it via POST /ask
        ↓
Server sends it to Ollama on localhost:11434
        ↓
Mistral model processes it locally
        ↓
Answer appears in browser with typewriter effect ✨

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🛠️ Tech Stack

Layer	Technology
Frontend	HTML, CSS, JavaScript
Backend	Node.js, Express.js
AI Engine	Ollama (local LLM runtime)
AI Model	Mistral (runs 100% offline)

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🚀 How to Run

1. Install Ollama

Download from https://ollama.com and install it.

2. Pull the Mistral model

ollama pull mistral

3. Start Ollama

ollama serve

4. Install dependencies

npm install

5. Start the server

node server.js

6. Open in browser

http://localhost:3000

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✨ Features

• 🔒 Fully offline — no data sent anywhere
• ⌨️ Typewriter animation on responses
• 🌑 Clean dark theme UI
• ⚡ No React or heavy frameworks — pure HTML/CSS/JS
• 🔄 Clear button to reset the chat

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👤 Author

Kishore Kumar
Final Year B.E. CSE — PSNA College of Engineering & Technology, Dindigul