🚀 Build a Basic Q&A Chatbot in Just 5 Minutes — No LLM API Key Needed??? 🔥🔥🔥

Описание: 🚀 Build a Basic Q&A Chatbot in Just 5 Minutes — No LLM API Key Needed!

In this tutorial, you’ll learn how to build a simple, working Q&A chatbot using Python, FastAPI, and cosine similarity, without relying on ChatGPT, Gemini, or any paid LLM APIs.

This project is perfect for:

Beginners getting started with chatbot or API development

Developers who want to understand how chatbots worked before LLMs

Anyone looking to build fast, lightweight, and controllable solutions

💡 Pro Tip:
You can still use tools like ChatGPT or Gemini to help you write syntax, debug code, or explore variations — but the core logic here is fully independent of any LLM API.

📌 What You’ll Learn

How to structure a FAQ knowledge base using JSON

How cosine similarity works for question matching

How to build a FastAPI endpoint for a chatbot

How to handle greetings, exits, and out-of-context questions

How to create a chatbot that actually works — in minutes

🔗 Code Repository

👉 GitHub:
https://github.com/mad0907/qna_chatbot

🔔 Stay Connected

If you found this useful and want more real-world, practical tutorials like this:

👉 Follow me on LinkedIn:
https://www.linkedin.com/in/dr-munmun-das-...

I regularly share insights on AI, NLP, APIs, and solution building.

👍 Like • 💬 Comment • 🔔 Subscribe
If this helped you, let me know what you’d like to build next!