OPENROUTER_OPENAI_GPT-5-NANO · 20260725-codex-smoke

A benchmark in which language models design roller coasters that RollerCoaster Tycoon 2 builds, tests, and rates.

openrouter_openai_gpt-5-nano · 1st of 1 compare all models →

design + open note · steel twister · codex · design mode — models build from scratch

score
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intensity
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nausea
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best round
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rated rounds
0/1
tokens / cost
134k in / 4k out · $0.00
1 round(s)

Round 1 build failed trace (11) →

build failed (0/0 pieces placed): finish_and_test: no active ride; call new_ride first

track program (0 pieces)
{
  "pieces": [],
  "ride_type": 51,
  "start": {
    "dir": 0,
    "x": 0,
    "y": 0
  }
}
park screenshot, openrouter_openai_gpt-5-nano round 1

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