Don’t Pay for AI Website Builders. Prompt One Into Existence with Gemini 2.5 Pro (Python/Streamlit).

In this video, I show how I used Google Gemini 2.5 Pro to build a lightweight, AI-powered web builder. It delivers much of the core functionality you'd find in tools like Bolt or Lovable or Replit Agent, all using Python as the backend and Streamlit for the user interface.

While this isn't intended for production use, it shows how quickly the latest large language models can spin up functional prototypes that closely mirror existing no-code platforms. The entire thing came together in about 30 minutes, starting from a single prompt.

The app lets you generate full websites through simple natural language prompts. Gemini responds with complete HTML, CSS, JavaScript, and React files, formatted as structured JSON. The app then writes those files to disk and displays a live preview directly in your browser. There's no build process, no deployment step, and no monthly subscriptions (although you do have to pay minimal for the Google AI Studio API).

The interface is built with Streamlit, including a chat sidebar, a live code editor, and a real-time preview tab.

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*Full Code* (Warning: Use at your own risk)
deepcharts.substack.com/p/the-end-of-bolt-and-lova…

*Resources*
Google Gemini 2.5 Pro Announcement: blog.google/technology/google-deepmind/gemini-mode…
Streamlit docs: docs.streamlit.io/

*Chapter*
0:00 Vibe Coding a Bolt/Lovable/Replit Agent style AI Website Builde