Gemini 4 Hydrogen vs GPT-6.1 Sol
Gemini 4 Hydrogen took 8 min 39 s and $0.60 at list price, GPT-6.1 Sol took 12 min 10 s and $0.37 at list price. GPT-6.1 Sol took 1.4× as long, and Gemini 4 Hydrogen cost 1.6× as much.
Gemini 4 Hydrogen
Google · $7.50/M out · 168 HN pts
GPT-6.1 Sol
OpenAI · $10.00/M out · 1,166 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.
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 three-person studio in Rotterdam, keeping vintage synthesizers in working hands. We repair the instruments that have picked up a crackle, lost a voice, drifted out of tune, or stopped making sound altogether.
We like the patient side of repair: tracing a fault, understanding an old circuit, and finding the right fix rather than the quickest workaround. Our aim is to make each instrument dependable without sanding away the character that made someone fall for it in the first place.
Some synths arrive with a clear problem. Others come with a story and a noise that only happens after twenty minutes. Either way, the work starts with listening—to the instrument and to the person who plays it.
We’re a small studio by choice. It keeps us close to the work, and to the musicians who trust us with something they want to keep making music with.
Specs and numbers
| Gemini 4 Hydrogen | GPT-6.1 Sol | |
|---|---|---|
| Maker | OpenAI | |
| Made in | US | US |
| Released | 12 Nov 2026 | 29 Sep 2026 |
| Price in, per M tokens | $1.50 | $2.00 |
| Price out, per M tokens | $7.50 | $10.00 |
| Context | 1,048,576 tokens | 1,050,000 tokens |
| Weights | closed | closed |
| Hacker News points | 168 | 1,166 |
| Time for the six prompts | 8 min 39 s | 12 min 10 s |
| List price of the six prompts | $0.60 | $0.37 |
GPT-6.1 Sol was cheaper: $0.24 less at list price, and less on each of the 6 prompts. Gemini 4 Hydrogen was faster: 3 min 30 s less in total, and faster on 4 of the 6 prompts.
In the recording, both Breakout games play.
Rebuild this screen experiment: GPT-6.1 Sol's rebuild matched the screenshot at 97%; Gemini 4 Hydrogen was not in it. Tea Garden experiment: GPT-6.1 Sol's game passed 5 of 5 checks; Gemini 4 Hydrogen was not in it.