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Vibe-Coded SaaS With Gemini

Vibe-coding a SaaS app using Google's Gemini/Antigravity coding tools

Video published Sep 2, 2026 by Shawn Builds AI

Startup cost: Low startup cost (AI coding tool subscription and hosting; no major upfront cost) (our estimate; the video doesn’t give figures)

Source video

Shawn Builds AI · 5 Gemini AI Side Hustles That Pay a Full Time Income (Ranked List) ↗

One of 5 gigs covered in this video

What It Is

Use Google's AI coding assistant (Antigravity) to build and launch a software app or website without traditional programming skills, then attempt to monetize it as a SaaS product.

The Pitch

The presenter walks through his own repeated attempts (a cross-platform social feed app, an AI meal-planning app, an infrastructure-as-code tool) built entirely with AI coding tools, and is candid that all three ended in zero users and zero dollars because he built before validating demand. He frames the lesson as: before building anything, confirm someone would buy it right now, not after you build it.

Who It’s Best For

Someone with a specific person or business already lined up who wants a piece of software, rather than someone building speculatively and hoping to find users afterward.

The Truth (as we see it)

This is the most skeptical entry in the source video, presented by the creator himself as the weakest of the five ideas covered — beginner-friendliness and speed to first income are both rated poorly, largely because building is easy but distribution and finding paying customers is hard, especially against a wave of similar AI-built "SaaS-template" sites the presenter calls "AI slop." Worth reading as a cautionary account of what doesn't work as much as a business idea to copy.

Our assessment, based on the video and what’s typical across similar videos. We don’t independently verify income claims or prices.

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