In this video, we build a production-ready AI Image Generator SaaS from scratch using Next.js 16.
You’ll create a free, uncensored, browser-based text-to-image platform capable of generating high-quality, photorealistic images with strong instruction following.
The final result delivers output comparable to premium closed-source tools like Nano Banana Pro, but powered by a fast, modern, open-source image model.
We use Next.js 16 for the frontend, Z-Image Turbo for high-speed image generation, and Modal for serverless GPU inference.
Authentication is handled with Better Auth, payments and credits with Polar, and data storage with Neon (Postgres) + Prisma.
The app is fully deployed and ready for real users.
<a href="https://www.youtube.com/watch?v=bt36Cu7uj2A" target="_blank" rel="noopener nofollow">https://www.youtube.com/watch?v=bt36Cu7uj2A</a>
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Reinier

Step-by-step tutorial for building a production-ready AI image generator SaaS application. Uses Next.js 16 for the frontend, Z-Image Turbo for text-to-image generation, Modal for serverless GPU inference, Better Auth for authentication, Polar for payments, and Neon Postgres with Prisma for data storage. The platform generates high-quality, photorealistic images comparable to premium closed-source tools using open-source models.

Next.js 16 project – Build a FREE & Uncensored AI Image Generator SaaS App - Neon, Modal, Z-Image

Uncensored?
<img src="https://media.tenor.com/2-5OgT7ynuIAAAAC/shrek-meme.gif" alt="GIF">

Instead of paying for Gemini subscription pay for subscription fees at 5 places and still needs to manage that as well?

Clickbait and male gaze
Pathetic, easy block