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simonwyesterday at 7:01 PM12 repliesview on HN

Wow, there's a lot going on with this pelican riding a bicycle: https://gist.github.com/simonw/c31d7afc95fe6b40506a9562b5e83...


Replies

Stevvoyesterday at 8:40 PM

The variance is way too high for this test to have any value at all. I ran it 10 times, and each pelican on a bicycle was a better rendition than that, about half of them you could say were perfect.

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alechewitttoday at 1:17 AM

Nice work on these benchmarks Simon. I’ve followed your blog closely since your great talk at the AI Engineers World Fair, and I want to say thank you for all the high quality content you share for free. It’s become my primary source for keeping up to date.

I’ve been working on a few benchmarks to test how well LLMs can recreate interfaces from screenshots. (https://github.com/alechewitt/llm-ui-challenge). From my basic tests, it seems GPT-5.2 is slightly better at these UI recreations. For example, in the MS Word replica, it implemented the undo/redo buttons as well as the bold/italic formatting that GPT-5.1 handled, and it generally seemed a bit closer to the original screenshot (https://alechewitt.github.io/llm-ui-challenge/outputs/micros...).

In the VS Code test, it also added the tabs that weren’t visible in the screenshot! (https://alechewitt.github.io/llm-ui-challenge/outputs/vs_cod...).

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BeetleByesterday at 8:33 PM

They probably saw your complaint that 5.1 was too spartan and a regression (I had the same experience with 5.1 in the POV-Ray version - have yet to try 5.2 out...).

tkgallytoday at 3:30 AM

I added GPT-5.2 Pro to my pelican-alternatives benchmark for the first three prompts:

Generate an SVG of an octopus operating a pipe organ

Generate an SVG of a giraffe assembling a grandfather clock

Generate an SVG of a starfish driving a bulldozer

https://gally.net/temp/20251107pelican-alternatives/index.ht...

GPT-5.2 Pro cost about 80 cents per prompt through OpenRouter, so I stopped there. I don’t feel like spending that much on all thirty prompts.

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fxwinyesterday at 8:21 PM

the only benchmark i trust

AstroBenyesterday at 10:03 PM

Seems to be getting more aerodynamic. A clear sign of AI intelligence

minimaxiryesterday at 7:03 PM

Is that the first SVG pelican with drop shadows?

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tootietoday at 3:40 AM

Do you think the big guys are on to your game and have been adding extra pelicans to the training data?

srousseyyesterday at 10:12 PM

What is good at SVG design?

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nightshift1yesterday at 11:09 PM

benchmarks probably should not be used for so long.

tmalyyesterday at 7:38 PM

seems to be eating something

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belteryesterday at 8:08 PM

What happens if you ask for a pterodactyl on a motorbike?

Would like to know how much they are optimizing for your pelican....

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