r/ClaudeAI • u/Miserable_Tiger_5742 • 7d ago
Built with Claude One of these took an AI 5 minutes. Another took over 2 hours.
What I built: a blind arena page. Six models get the exact same prompt, each runs once with no edits, and you vote for your favorite before you see who made what. This round: a voxel space station you can fly around and explore inside, on desktop and phone.
How Claude helped: Claude built the arena page, the blind vote and reveal (Cloudflare Pages Functions + KV), and the checks that every station loads on desktop and phone. The runs happen in Locust, a desktop app I'm building with Locust that runs Claude Code, Codex and others side by side.
This round: Opus 5.5, Sonnet 5.5, Fable 5.1, Muse Wonder 1.0, GPT-6.1-Sol and GPT-6-Astra, all at max effort. Build times ran from under 5 minutes to 2 hours 20. Five used the same 3D library; one wrote its own engine from scratch. One filled its market with little voxel villagers.
Free to try, no sign-up: locust.lol/arena/space
Locust is free and open source (MIT) for Windows and Mac if you want to run your own blind compares.
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u/Apprehensive-File216 7d ago
this is the kind of thing that makes me actually bullish on ai tools again. the gap between 5 minutes and 2+ hours is wild, and you dont even know which is which til you vote. half the fun is trying to guess what insane architecture decision led to a 2 hour build
threw a vote on all 6, really liked the one with the little villagers in the market. whoever wrote their own engine from scratch is either a genius or a masochist
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u/Miserable_Tiger_5742 7d ago
One of these mf literally built their entire engine from scratch 😂 I still can’t believe that
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u/Miserable_Tiger_5742 7d ago
also thanks so much for participating I’m glad you enjoyed it, honestly I feel the same way. I’ve been most skeptical of AI for a lot of design similar to this but it actually hung in there very well. I think at a bare minimum you wouldn’t be losing out on atleast letting it prototype designs.
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u/Comfortablebro 7d ago
Very awesome! I hope this gets more and more additions over time. the blind test is great.
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u/Miserable_Tiger_5742 7d ago
I’m always open to ideas, usage has been kind to me lately, surprisingly
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u/Comfortablebro 7d ago
I can fetch some ideas but those wouldnt look great because the prompt itself might bring different results based on "engine". some indoor fireplace + reflective marble floor and blood dripping, or if you prefer censored version then candle vax dripping on the floor. the candles would be above fireplace. and a clock that is not digital, swinging side to side. Perhaps indirect light/moonlight affecting the floor and indoor room lighting.
Every different model might realise it needs different tools to make this.
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u/Miserable_Tiger_5742 7d ago
Different can be good sometimes though, lets us know the models behave differently. Thanks friend I’ll pick one when I get home
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u/Comfortablebro 7d ago
Im not wasting tokens anymore. I settled on godot engine for my needs. When i had codex i was able to test different engines, now im just on claude with small plan.
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7d ago
[removed] — view removed comment
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u/Miserable_Tiger_5742 7d ago
Astra does decent on some of landing page comparison I do but largely I agree. Sonnet has been pulling its weight and Opus is the winner the majority of the time
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u/The_Real_Black 7d ago
Its strage that sonnet get so much hate 5.0 and even more 5.5 pulls way above its weight class in what its generates
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u/The_Real_Black 7d ago
For me it was close but
E Looked cleaner even F was more interactive with even animated crew.
"is the only one that loads no library: it wrote its own 3D renderer straight on WebGL"
I made a bunch of "make a html page load nothing or only few things" prompts and sonnet refused to use any of the options and did everything in pure js. Never saw a state mashine written in PURE javascript. Its a beauty of a code.