Kimi K3.1 Pro vs Nemotron 3.5 Lightning
Kimi K3.1 Pro took 32 min 17 s and $1.27 at list price, Nemotron 3.5 Lightning took 10 min 9 s and $0.012 at list price. Kimi K3.1 Pro took 3.2× as long and cost 108× as much.
Kimi K3.1 Pro
Moonshot AI · $10.00/M out · 1,168 HN pts
Nemotron 3.5 Lightning
NVIDIA · $0.20/M out · free route · 399 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.
Logo
Design a logo for Night Heron, an independent bookshop that only opens after dark.
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 three-person studio in Rotterdam devoted to keeping vintage synthesizers alive, playable, and full of character. We work on instruments that have spent decades in studios, bedrooms, and tour cases, and we believe each one deserves more than a quick fix. From drifting oscillators and noisy sliders to tired keybeds and mysterious faults, we take the time to listen, diagnose, and repair with care.
Our approach combines patient troubleshooting, period-correct components where possible, and a deep respect for the original sound. We do not believe in erasing an instrument’s history; we preserve the quirks that make it worth loving. Whether your synthesizer needs a full overhaul or a little help getting back on stage, you will always know who is working on it and why. Patchbay exists for the joy of switching on an old machine and hearing it come back to life.
Patchbay is a three-person studio in Rotterdam devoted to the restoration and repair of vintage synthesizers. We believe analog gear holds a living voice, and our purpose is to safeguard that sound for musicians, collectors, and creators who value authenticity. With hands-on experience in circuitry, voltage calibration, and component preservation, we treat every console, drum machine, or modular voice with meticulous care. Rotterdam’s eclectic artistic community fuels our commitment to keeping analog heritage alive, bridging past technology with present music. Whether rescuing a neglected lab unit or reviving a cherished polysynth, we approach each instrument as a unique piece of musical history, ensuring it performs as intended for years ahead. We love helping artists reconnect with the warmth and character only vintage hardware can offer. Our workshop sits in the heart of the city, where dusty circuit boards meet fresh compositions, and every repaired synth becomes part of a new musical story.
Specs and numbers
| Kimi K3.1 Pro | Nemotron 3.5 Lightning | |
|---|---|---|
| Maker | Moonshot AI | NVIDIA |
| Made in | China | US |
| Released | 23 Oct 2026 | 11 Aug 2026 |
| Price in, per M tokens | $2.00 | free route (list $0.07/M) |
| Price out, per M tokens | $10.00 | free route (list $0.20/M) |
| Context | 1,048,576 tokens | 262,144 tokens |
| Weights | closed | open |
| Hacker News points | 1,168 | 399 |
| Time for the six prompts | 32 min 17 s | 10 min 9 s |
| List price of the six prompts | $1.27 | $0.012 |
Nemotron 3.5 Lightning was cheaper: $1.26 less at list price, and less on each of the 6 prompts. Nemotron 3.5 Lightning was faster: 22 min 8 s less in total, and faster on 5 of the 6 prompts.
In the recording, both Breakout games play.
Rebuild this screen experiment: Kimi K3.1 Pro's rebuild matched the screenshot at 87%; Nemotron 3.5 Lightning was not in it. Tea Garden experiment: Kimi K3.1 Pro's game passed 5 of 5 checks; Nemotron 3.5 Lightning was not in it.