How I Built My First AI-Powered Web App in 20 Minutes | by Claudia Ng | Feb, 2025

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A beginner’s guide to building your AI-driven web application without front-end development skills.

Snapshot of my deployed AI-powered Python tips generator (image by author)

After six years in data science, I spent a lot of time coding and building ML models for work. But when it came to my personal portfolio, I hesitated to start building it.

I thought I’d needed advanced front-end skills to create anything impressive. But then I discovered how accessible it is to build interactive web applications today, especially with tools like ChatGPT’s API, Gradio and Streamlit.

With just basic Python knowledge and minimal software engineering skills, anyone can create something impactful — how exciting!

In this tutorial, I’ll show you how I built an AI-powered Python tips generator with just:

  • 5 blocks of code and
  • $0.01 in API costs,
  • all in 20 minutes!

I then refined the app further with prompt engineering to deploy it as a web app. You can check out the final product here.

Let’s dive in and start building!

  • Create a New Virtual Environment and Install Required Libraries: Use…
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