Head to head · Design · updated Oct 25, 2026
Stitch vs Spline AI
Stitch scores 42 to Spline AI's 10 on public evidence for UI & product design, and they rank #1 and #4 there. Both are free to start. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
Stitch
Google Labs tool that generates UI designs and front-end code from text prompts or sketches.
+ Produces editable designs you can paste into Figma as well as HTML/CSS.
− Experimental Labs product with generation caps and limited iteration.
Spline AI
Browser 3D design tool with AI generation of objects, textures and scenes, exportable for interactive web use.
+ Generated objects land directly in a web-ready interactive 3D editor you can embed in sites.
− AI generation is limited and the tool is really a 3D web design editor first.
Side by side
public evidence| Stitch | Spline AI | |
|---|---|---|
| Evidence score / 100 | 42 | 10 |
| GitHub stars | closed source | closed source |
| Hacker News stories, 30d | 5 | 0 |
| Release-feed mentions, 30d | 5 | 0 |
| Last activity | 1 days ago | – |
| Pricing | Free with monthly generation limits | Free tier |
| Platforms | web | web, mac, windows |
| Maker | Spline |
Which one?
Pick Stitch if
- you want the stronger public evidence (42 vs 10)
Best for quick UI mockups from a sketch or prompt.
Pick Spline AI if
- you need it on mac, windows
Best for interactive 3D for websites.