Which AI Made This?

Six models, one prompt. Compare how each tackles UI design, with and without a frontend design skill enabled.

Prompt · I want you to design the landing page for a note-taking application as essentially a second brain. You should design five iterations and each of them should be accessible within the slash one, slash two, slash three like pages directory. And then you should add a little button that lets me switch between them easily.

This site was designed by Composer 2.0 LOL

With Design Skill

Six models, five iterations each, in one deployable app.

Composer 1.5 preview

With Design Skill

Composer 1.5

Composer 2.0 preview

With Design Skill

Composer 2.0

Gemini 3.1 Pro preview

With Design Skill

Gemini 3.1 Pro

GPT-5.4 preview

With Design Skill

GPT-5.4

Kimi K 2.5 preview

With Design Skill

Kimi K 2.5

Opus 4.6 preview

With Design Skill

Opus 4.6

Without Design Skill

Six models, five iterations each, in one deployable app.

Composer 1.5 preview

Without Design Skill

Composer 1.5

Composer 2.0 preview

Without Design Skill

Composer 2.0

Gemini 3.1 Pro preview

Without Design Skill

Gemini 3.1 Pro

GPT-5.4 preview

Without Design Skill

GPT-5.4

Kimi K 2.5 preview

Without Design Skill

Kimi K 2.5

Opus 4.6 preview

Without Design Skill

Opus 4.6