Xing 4.0 vs Gemini 3.8 Flash
Xing 4.0 took 25 min 32 s and was free at list price, Gemini 3.8 Flash took 7 min 23 s and $0.29 at list price. Xing 4.0 took 3.5× as long.
Xing 4.0
XingChen · free route
Gemini 3.8 Flash
Google · $4.13/M out · 1,293 HN pts
Pelican
Generate an SVG of a pelican riding a bicycle
Watch
Draw a mechanical wristwatch that shows the current local time, with a sweeping seconds hand and a date window. Make it look expensive.
Landing
Build the landing page for Lumen Cycles, a Copenhagen workshop that builds custom cargo bikes to order. Make it look like a real brand you would trust with 4,000 euros.
Breakout
Make a Breakout game I can play right now with the keyboard or the mouse. Give it several levels, a score and some juice.
About
Write the opening of the About us page for Patchbay, a three-person studio in Rotterdam that repairs vintage synthesizers. About 150 words.
Patchbay is a compact, three-person workshop rooted in the dynamic streets of Rotterdam, born from a shared reverence for analog sound. Our team shares an unwavering dedication to vintage synthesizers, viewing each oscillator, filter, and routing cable as a vital piece of sonic history waiting to be restored. Whether diagnosing a failing voltage regulator or carefully retrofitting obsolete components, we take immense pride in bringing classic instruments back to their full potential. In our studio, repairing isn't just a technical service—it is a shared passion among friends who believe the past deserves to keep playing. We meticulously diagnose and revive legacy synths, ensuring the iconic sounds of yesterday continue shaping today’s electronic music. Bring us your dented, broken machines, and let us help you reconnect them with the rich, unmistakable sounds they were always meant to make. Every patch, every knob, every fleeting tone depends on the work we do here.
Tucked away in Rotterdam, Patchbay is a three-person repair studio dedicated to the preservation and revival of vintage synthesizers. We believe that classic instruments are living machines rather than museum relics—tools built to inspire, create, and be played loud. Between the three of us, we combine decades of experience in electronics engineering, sound design, and meticulous craftsmanship. Whether tracking down elusive voice chips for an eighties polyphonic giant, rebuilding power supplies, or recalibrating the drift on a cantankerous monophonic circuit from the seventies, we treat every piece of gear with obsessive attention to detail. Our workbench is built on a deep respect for historical engineering and a refusal to cut corners. For musicians, producers, and collectors across the Netherlands and beyond, Patchbay is where forgotten circuits find their current again, keeping the tactile soul of analog synthesis alive and resonant.
Specs and numbers
| Xing 4.0 | Gemini 3.8 Flash | |
|---|---|---|
| Maker | XingChen | |
| Made in | China | US |
| Released | 16 Oct 2026 | 2 Sep 2026 |
| Price in, per M tokens | free route (list $0/M) | $0.825 |
| Price out, per M tokens | free route (list $0/M) | $4.13 |
| Context | 262,144 tokens | 1,048,576 tokens |
| Weights | open | closed |
| Hacker News points | — | 1,293 |
| Time for the five prompts | 25 min 32 s | 7 min 23 s |
| List price of the five prompts | free | $0.29 |
Xing 4.0 was free at list price; Gemini 3.8 Flash cost $0.29. Gemini 3.8 Flash was faster: 18 min 9 s less in total, and faster on each of the 5 prompts.
In the recording, both Breakout games play. Xing 4.0's landing page showed a blank first frame when the still was taken. Xing 4.0 has no logo: doesn’t draw (an SVG file without the SVG namespace, which browsers draw as an empty box).





