Xing 4.0 vs MiMo v2.6 Flash
Xing 4.0 took 25 min 32 s and was free at list price, MiMo v2.6 Flash took 21 min 57 s and $0.036 at list price. Xing 4.0 took 1.2× as long.
Xing 4.0
XingChen · free route
MiMo v2.6 Flash
Xiaomi · $0.28/M out · 5 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.
Patchbay is a three-person studio in Rotterdam dedicated to the repair and restoration of vintage synthesizers. We work on instruments that have been sitting in attics, basements, and rehearsal rooms for decades — the ones that hum when they shouldn't, lose their voice, or refuse to power on at all. Our approach is patient and detail-oriented. We trace faults through aging circuit boards, source period-correct components when possible, and treat every repair as a conversation with the person who built the instrument, and the musicians who played it before it fell silent.
We believe these machines deserve to stay in circulation rather than end up in landfill. Whether it is a Moog, a Juno, or a machine you cannot name, bring it in and we will tell you honestly what it needs.
Specs and numbers
| Xing 4.0 | MiMo v2.6 Flash | |
|---|---|---|
| Maker | XingChen | Xiaomi |
| Made in | China | China |
| Released | 16 Oct 2026 | 21 Sep 2026 |
| Price in, per M tokens | free route (list $0/M) | $0.14 |
| Price out, per M tokens | free route (list $0/M) | $0.28 |
| Context | 262,144 tokens | 1,050,000 tokens |
| Weights | open | open |
| Hacker News points | — | 5 |
| Time for the five prompts | 25 min 32 s | 21 min 57 s |
| List price of the five prompts | free | $0.036 |
Xing 4.0 was free at list price; MiMo v2.6 Flash cost $0.036. MiMo v2.6 Flash was faster: 3 min 35 s less in total, and faster on 3 of the 5 prompts.
In the recording, Xing 4.0's Breakout game plays; MiMo v2.6 Flash's stopped painting. 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).





