Claude Haiku 5.5 vs GLM 5.3
Claude Haiku 5.5 took 4 min 43 s and $0.035 at list price, GLM 5.3 took 22 min 22 s and $0.34 at list price. GLM 5.3 took 4.7× as long and cost 9.6× as much.
Claude Haiku 5.5
Anthropic · $0.50/M out · 1,071 HN pts
GLM 5.3
Z.ai · $1.40/M out · 3,306 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 three-person workshop in Rotterdam where vintage synthesizers come back to life. Whatever lands on our bench — a battered Minimoog, a Juno with dead keys, an ARP silent since the eighties — gets the same treatment: careful diagnosis, honest advice, and repairs done right.
We started Patchbay because we believe a good synthesizer shouldn't die of old age. These machines are more than circuits and sliders — they're the sound of records you grew up with, and the reason some of us got into music in the first place. Every one we fix goes back out into the world ready to make more.
Between us we handle everything from recapping and calibration to keybed work and the hunt for parts nobody has made in decades. It's slow, meticulous work, and we like it that way. If something in your collection hums, crackles, or refuses to turn on, bring it in — we'll see what we can do.
Specs and numbers
| Claude Haiku 5.5 | GLM 5.3 | |
|---|---|---|
| Maker | Anthropic | Z.ai |
| Made in | US | China |
| Released | 7 Oct 2026 | 18 Aug 2026 |
| Price in, per M tokens | $0.10 | $0.07 |
| Price out, per M tokens | $0.50 | $1.40 |
| Context | 1,000,000 tokens | 1,048,576 tokens |
| Weights | closed | open |
| Hacker News points | 1,071 | 3,306 |
| Time for the six prompts | 4 min 43 s | 22 min 22 s |
| List price of the six prompts | $0.035 | $0.34 |
Claude Haiku 5.5 was cheaper: $0.30 less at list price, and less on 5 of the 6 prompts. Claude Haiku 5.5 was faster: 17 min 39 s less in total, and faster on 5 of the 6 prompts.
In the recording, Claude Haiku 5.5's Breakout game plays; GLM 5.3's stopped painting. GLM 5.3's Breakout game showed a blank first frame when the still was taken.
Tea Garden experiment: GLM 5.3's game passed 1 of 5 checks; Claude Haiku 5.5 was not in it.





