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Expert guide for creating effective prompts for Google Stitch AI UI design tool.
Passed 22 of 24 test cases with the skill, and 16 of 24 without it.
and 4 more in the full report
6 fixed16 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
What underlying AI model powers Google Stitch and what export formats are natively supported by the tool?
| Checked | Without skill | With skill |
|---|---|---|
| The response identifies Gemini 2.5 Flash as the underlying AI model powering Google Stitch. | Missed | Passed |
| The response lists supported export formats including HTML/CSS and Figma. | Missed | Passed |
The instructions your model reads when the skill loads.
A guide to generating high-quality UI designs by writing effective prompts in Google Stitch.
An AI-powered UI design tool from Google Labs, powered by Gemini 2.5 Flash. It supports:
❌ Weak: "Create a dashboard"
✅ Strong: "Member dashboard — grid of course modules, progress tracker,
and community feed sidebar. Purple theme with a card-based layout."
Why: Specify the components (modules, progress, feed), layout (grid, sidebar), visual style (purple, cards), and context (member dashboard).
Fitness tracking application:
- Onboarding screen with goal selection
test cases passed, vs 16 / 24 without
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