GPT-6 Luna vs Nemotron 3.5 Lightning
GPT-6 Luna took 4 min 43 s and $0.017 at list price, Nemotron 3.5 Lightning took 10 min 9 s and $0.012 at list price. Nemotron 3.5 Lightning took 2.2× as long, and GPT-6 Luna cost 1.4× as much.
GPT-6 Luna
OpenAI · $0.50/M out · 24 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 repairing vintage synthesizers. We work with instruments that have been played, carried, opened up, and passed from one owner to the next. Each arrives with its own history and its own set of quirks, so we begin by listening carefully and tracing the problem before reaching for a fix.
Our work ranges from straightforward maintenance to deeper electronic repairs. We clean, test, diagnose, and restore with the aim of making a synthesizer reliable again while respecting the design that gives it its voice. When a repair calls for a replacement part, we look for a solution that fits the instrument rather than treating it as disposable.
Patchbay is run by three people who share a curiosity about how these machines work and a respect for the sounds they make. We believe a well-cared-for synthesizer has plenty more music in it, and we’re here to help it find its way back into someone’s hands.
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
| GPT-6 Luna | Nemotron 3.5 Lightning | |
|---|---|---|
| Maker | OpenAI | NVIDIA |
| Made in | US | US |
| Released | 22 Sep 2026 | 11 Aug 2026 |
| Price in, per M tokens | $0.10 | free route (list $0.07/M) |
| Price out, per M tokens | $0.50 | free route (list $0.20/M) |
| Context | 1,050,000 tokens | 262,144 tokens |
| Weights | closed | open |
| Hacker News points | 24 | 399 |
| Time for the six prompts | 4 min 43 s | 10 min 9 s |
| List price of the six prompts | $0.017 | $0.012 |
Nemotron 3.5 Lightning was cheaper: $0.005 less at list price, and less on 3 of the 6 prompts. GPT-6 Luna was faster: 5 min 27 s less in total, and faster on 4 of the 6 prompts.
In the recording, both Breakout games play.





