Gemini 4 Hydrogen vs Xing 4.0
Gemini 4 Hydrogen took 7 min 26 s and $0.53 at list price, Xing 4.0 took 25 min 32 s and was free at list price. Xing 4.0 took 3.4× as long.
Gemini 4 Hydrogen
Google · $7.50/M out · 1,026 HN pts
Xing 4.0
XingChen · free route
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.
In a quiet corner of Rotterdam, surrounded by the scent of warm solder and the hum of calibrated oscillators, Patchbay brings classic electronic instruments back to life. We are a three-person studio united by an obsession with vintage synthesizers and the belief that these machines belong under musicians' hands, not gathering dust in storage.
Every synthesizer that crosses our workbench carries decades of history, along with brittle capacitors, worn contacts, and drifting tuning. Whether we are facing a temperamental analog polysynth from the seventies or an early digital classic, we approach each repair with patience and precision. We do not believe in quick fixes. Instead, we study original schematics, source elusive components, and meticulously restore every circuit, keybed, and fader until the instrument plays as reliably as the day it was built. Patchbay exists to keep these irreplaceable voices singing for the next generation of artists.
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.
Specs and numbers
| Gemini 4 Hydrogen | Xing 4.0 | |
|---|---|---|
| Maker | XingChen | |
| Made in | US | China |
| Released | 12 Nov 2026 | 16 Oct 2026 |
| Price in, per M tokens | $1.50 | free route (list $0/M) |
| Price out, per M tokens | $7.50 | free route (list $0/M) |
| Context | 1,048,576 tokens | 262,144 tokens |
| Weights | closed | open |
| Hacker News points | 1,026 | — |
| Time for the five prompts | 7 min 26 s | 25 min 32 s |
| List price of the five prompts | $0.53 | free |
Xing 4.0 was free at list price; Gemini 4 Hydrogen cost $0.53. Gemini 4 Hydrogen was faster: 18 min 6 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).