Gemini 3 Pro is now Google Stitch’s default agent. It has more advanced reasoning that thinks through designs to make complicated UIs, dashboards, and precise CSS better. A big step forward for testing with AI.
New big changes have been made to Google’s free AI design tool, Stitch. The big change? Thought with Gemini 3 Pro is now the default agent.
This means that Stitch thinks about things carefully before it makes any code or style. It finds possible problems early on and makes the results better from the start.
How Does Gemini 3 Pro Improve Stitch Designs?
With Gemini 3 Pro, your frontend and visual thinking skills will be better. Users say it does a great job with complex screens, responsive layouts, and professional-looking CSS that is pixel-perfect.
If you describe a multi-screen app or share a rough sketch, Stitch will make the interfaces look better and make more sense. No more changing simple mistakes in reminders to follow up.
“This agent uses advanced reasoning to ‘think’ through your design before writing a single line of code.” — Stitch by Google Labs team
What Changes for Your Daily Workflow?
It feels better all around. Things that used to need a lot of changes now only need one or two hints to come out strong.
Stitch still sends out clean code, and it works perfectly with AI Studio to make ideas into interactive prototypes. The change makes things better without changing how easy it is to use.
A lot of the creators agree that this change makes Stitch more like a real business. It works with difficult user interfaces that older versions had trouble with, so anyone can quickly come up with ideas.
Go to stitch.withgoogle.com right now to try the new version. The change can be seen right away in the tougher prompts. It’s free.
Google’s AI tools keep getting better and better very quickly. It’s now much easier to turn thoughts into useful designs with Gemini 3 Pro built into Stitch.
