Claude Haiku 5.5 vs Kimi K3
Claude Haiku 5.5 took 4 min 43 s and $0.035 at list price, Kimi K3 took 22 min 52 s and $1.92 at list price. Kimi K3 took 4.8× as long and cost 54× as much.
Claude Haiku 5.5
Anthropic · $0.50/M out · 1,071 HN pts
Kimi K3
Moonshot AI · $15.00/M out · 9,870 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, and we spend our days inside vintage synthesizers. We are repair technicians first: we open the cases, replace the leaking capacitors, re-tune the oscillators that have drifted out of pitch, and bring back the filters that went silent decades ago. Our bench is crowded with service manuals, spare chips, and a soldering station that has seen more Moog panels than we can count. We started the studio because we kept meeting musicians whose favourite instruments sat unused in cupboards, not because they were broken beyond saving but because nobody nearby knew how to fix them. We still believe most of these machines can be made to sing again, and we would rather spend an afternoon finding the one bad resistor than see another good synth end up in a skip.
Patchbay is a small workshop in Rotterdam where old synthesizers come back to life. We are three people — a former recording engineer, a self-taught circuit obsessive, and a classically trained pianist who fell in love with broken machines — and between us we have spent decades coaxing sound out of equipment the rest of the world gave up on.
We started Patchbay because we kept meeting the same problem: beloved instruments sitting silent in attics and studio corners, written off as unfixable. A Juno with a dead voice chip. A Prophet that drifts out of tune. A Moog that hums when it shouldn't. To us, none of these are lost causes. They are instruments with history in them, and they deserve careful hands, original parts where possible, and honest work.
Every synth that leaves our bench is played, tested, and listened to — because that is what it was made for.
Specs and numbers
| Claude Haiku 5.5 | Kimi K3 | |
|---|---|---|
| Maker | Anthropic | Moonshot AI |
| Made in | US | China |
| Released | 7 Oct 2026 | 16 Jul 2026 |
| Price in, per M tokens | $0.10 | $0.192 |
| Price out, per M tokens | $0.50 | $15.00 |
| Context | 1,000,000 tokens | 1,048,576 tokens |
| Weights | closed | open |
| Hacker News points | 1,071 | 9,870 |
| Time for the six prompts | 4 min 43 s | 22 min 52 s |
| List price of the six prompts | $0.035 | $1.92 |
Claude Haiku 5.5 was cheaper: $1.88 less at list price, and less on each of the 6 prompts. Claude Haiku 5.5 was faster: 18 min 9 s less in total, and faster on each of the 6 prompts.
In the recording, both Breakout games play.
Rebuild this screen experiment: Kimi K3's rebuild matched the screenshot at 68%; Claude Haiku 5.5 was not in it. Tea Garden experiment: Kimi K3's game passed 5 of 5 checks; Claude Haiku 5.5 was not in it.





