Xing 4.0 vs Nemotron 3.5 Super VL
Xing 4.0 took 25 min 32 s and was free at list price, Nemotron 3.5 Super VL took 5 min 22 s and $0.029 at list price. Xing 4.0 took 4.8× as long.
Xing 4.0
XingChen · free route
Nemotron 3.5 Super VL
NVIDIA · $0.50/M out · free route · 11 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.
Patchbay is a three-person studio in Rotterdam dedicated to bringing vintage synthesizers back to life. We started with a shared obsession for the circuits, keyboards, and sonic quirks of the instruments that shaped electronic music, and we turned that obsession into a careful, hands-on repair practice. Every synth that comes through our door is treated as its own project—diagnosed by ear, opened with care, and restored using a mix of original components and thoughtful modern solutions where needed. We work with collectors, studios, and musicians who value the character of older gear and want it to keep sounding its best. Based in Rotterdam, we combine technical precision with a deep respect for the history inside every chassis. At Patchbay, repairing isn’t just about getting a machine working again; it’s about preserving the voice of an instrument and keeping it ready for the next recording, performance, or moment of inspiration.
Specs and numbers
| Xing 4.0 | Nemotron 3.5 Super VL | |
|---|---|---|
| Maker | XingChen | NVIDIA |
| Made in | China | US |
| Released | 16 Oct 2026 | 15 Oct 2026 |
| Price in, per M tokens | free route (list $0/M) | free route (list $0.15/M) |
| Price out, per M tokens | free route (list $0/M) | free route (list $0.50/M) |
| Context | 262,144 tokens | 1,048,576 tokens |
| Weights | open | open |
| Hacker News points | — | 11 |
| Time for the five prompts | 25 min 32 s | 5 min 22 s |
| List price of the five prompts | free | $0.029 |
Xing 4.0 was free at list price; Nemotron 3.5 Super VL cost $0.029. Nemotron 3.5 Super VL was faster: 20 min 10 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).