Xing 4.0 vs Gemini 4 Argon
Xing 4.0 took 25 min 32 s and was free at list price, Gemini 4 Argon took 11 min 51 s and $0.59 at list price. Xing 4.0 took 2.2× as long.
Xing 4.0
XingChen · free route
Gemini 4 Argon
Google · $10.00/M out · 2,036 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.
Blank first frame. Press Run.
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.
In a quiet industrial building overlooking the Maas, the air smells of warm dust, solder flux, and ozone. This is Patchbay, a three-person workshop in Rotterdam dedicated to keeping the golden age of electronic music alive. We don’t view vintage synthesizers as museum pieces to be locked behind glass. To us, a Roland Jupiter-8 or an ARP Odyssey is a living, breathing instrument meant to be played, gigged, and pushed to its sonic limits.
Between the three of us, we have spent decades deciphering faded schematics, hunting down obsolete transistors, and cleaning decades of club grime from beneath weighted keys. Rotterdam is a city built on raw electronics and relentless rhythms, and we take pride in keeping its hardware running. Whether you bring us a touring workhorse with a dead voice chip or a garage-find modular rig that hasn’t powered on since 1984, we are here to make it sing again.
Specs and numbers
| Xing 4.0 | Gemini 4 Argon | |
|---|---|---|
| Maker | XingChen | |
| Made in | China | US |
| Released | 16 Oct 2026 | 13 Oct 2026 |
| Price in, per M tokens | free route (list $0/M) | $2.00 |
| Price out, per M tokens | free route (list $0/M) | $10.00 |
| Context | 262,144 tokens | 1,048,576 tokens |
| Weights | open | closed |
| Hacker News points | — | 2,036 |
| Time for the five prompts | 25 min 32 s | 11 min 51 s |
| List price of the five prompts | free | $0.59 |
Xing 4.0 was free at list price; Gemini 4 Argon cost $0.59. Gemini 4 Argon was faster: 13 min 41 s less in total, and faster on 3 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).
Rebuild this screen experiment: Gemini 4 Argon's rebuild matched the screenshot at 69%; Xing 4.0 was not in it. Tea Garden experiment: Gemini 4 Argon's game passed 5 of 5 checks; Xing 4.0 was not in it.