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Lab Notes/Gemma4 12B vs Qwen3.5 9B | Local Head to Head
LLM TestingJune 5, 2026Watch on YouTube

Gemma4 12B vs Qwen3.5 9B | Local Head to Head

In this video, I put Gemma 4 12B IT head-to-head against Qwen3.5 9B to see how these smaller local models handle real browser-based coding prompts. Both models get the same single-file HTML, CSS, and JavaScript tests: 1. iPhone Replica 2. Top-Down Car Game 3. Live Weather Dashboard The goal is to see which model follows instructions better, builds the cleaner UI, creates the more functional project, and handles interactive coding tasks without completely falling apart. These are lighter prompts than some of the bigger model tests, but they still cover UI design, game logic, JavaScript interaction, API handling, layout, and overall polish. #gemma4 #qwen #localAI #llm #homelab #headtohead

Models2
Prompts3
Live HTML6
Files6

Video

Models Tested

Gemma4 12B IT
Q8_K_XL
RTX 3090
Qwen3.5 9B
Q8_K_XL
RTX 3090

Prompts Used

1iPhone Replica
Create a single-file HTML, CSS, and JavaScript project that recreates a real modern iPhone home screen as accurately as possible.

Requirements:

* Everything must be in one HTML file.
* No external libraries, frameworks, images, or imported assets.
* Build a realistic iPhone device frame with rounded corners, thin bezels, Dynamic Island, status bar, battery/wifi/signal indicators, and home indicator.
* Create a polished home screen with app icons, widgets, dock, folders, notification badges, and wallpaper.
* Use original generic app icons made with CSS only. Do not use Apple logos, real app logos, or copyrighted icons.
* Add simple interactions: tap apps to open small app screens, lock/unlock screen, light/dark mode toggle, and fake notifications.
* Clearly display your model family/name somewhere subtle, like inside Settings or About.
* Before finishing, review your own code, check for broken layout or buttons, and fix obvious issues.
* The final result should look as close as possible to a real iPhone home screen for a YouTube model comparison.
2Top-Down Car Game
Create a single-file HTML, CSS, and JavaScript top-down car game.

Requirements:

* Everything must be in one HTML file.
* No external libraries, frameworks, images, or imported assets.
* Build a polished top-down driving game with a track, car, obstacles, checkpoints, timer, lap counter, speed display, and simple menu.
* Use arrow keys or WASD for steering, acceleration, braking, and reverse.
* Add smooth car physics with acceleration, drifting/sliding, friction, and collision with track barriers.
* Include at least one complete race track with turns, straightaways, grass/off-road areas, and visual details.
* Add collectibles or boost pads around the track.
* Add simple AI cars or ghost cars if possible, but prioritize making the player car feel good and the track playable.
* Include win/finish logic after 3 laps.
* Use CSS or Canvas only for all visuals.
* Clearly display your model family/name on the menu or HUD.
* Before finishing, review your own code, check that the car moves properly, collisions work, laps count correctly, and the game is playable. Fix obvious bugs.
3Live Weather Dashboard
Create a single-file HTML, CSS, and JavaScript live weather dashboard called “SkyGlass.”

Requirements:

* Everything must be in one HTML file.
* Use a free public weather API. Put the API URL and clear instructions near the top of the JavaScript so I can swap in an API key or endpoint if needed.
* No external libraries or frameworks.
* Make the design modern, clean, and polished with a glassmorphism weather-app look.
* Include city search, current location button, unit toggle, loading state, and error handling.
* Show current temperature, condition, feels-like temperature, high/low, humidity, wind, pressure, sunrise/sunset, and visibility if available.
* Include an hourly forecast section and a 7-day forecast section.
* Add at least one simple chart using Canvas or pure JavaScript for temperature or rain chance.
* Make the background change based on weather condition or time of day.
* Add favorite cities if possible.
* Clearly display your model family/name somewhere subtle in the app.
* Before finishing, review your own code, check for API/data issues, broken buttons, layout problems, and JavaScript errors. Fix obvious issues.
* Make it look like a modern weather app someone would actually use.

Live HTML Outputs

6
Gemma4 12B IT
Q8_K_XLRTX 3090
3
HTML
car-gemma.html
21.8 KB
OpenDownload
HTML
gemma-ios.html
19.9 KB
OpenDownload
HTML
gemma-weather.html
18.2 KB
OpenDownload
Qwen3.5 9B
Q8_K_XLRTX 3090
3
HTML
car-qwen.html
32.9 KB
OpenDownload
HTML
qwen-ios.html
57.4 KB
OpenDownload
HTML
qwen-weather.html
29.8 KB
OpenDownload