GPT-5.6-SOL · 20260727-gpt56-sol-design

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

gpt-5.6-sol · 1st of 1 compare all models →

design · steel twister · codex · design mode — models build from scratch

score
7.05
intensity
8.37
nausea
4.52
best round
1
rated rounds
1/1
similarity
0.37
tokens / cost
3.4M in / 19k out · $0.00
1 round(s)
chain lift inversion brake / booster round before height is the track's real elevation, walked from the piece list

Round 1 verified circuit (134 pieces) trace (84) →

excitement7.05 intensity8.37 nausea4.52
length 781 m drops 14 airtime 90 tested ok similarity 0.37 (nearest: Dizzymouse)
brakesleft_corkscrew_upleft_corkscrew_downright_corkscrew_upright_corkscrew_downboosterleft_corkscrew_upleft_corkscrew_downright_corkscrew_upright_corkscrew_downboosterleft_corkscrew_upleft_corkscrew_downright_corkscrew_upright_corkscrew_downboosterbrakesbrakesbrakesbrakes
134 pieces · 8 on the lift · 12 inversions
track program (134 pieces)
{
  "pieces": [
    "begin_station",
    "middle_station",
    "middle_station",
    "end_station",
    "flat_to_up_25",
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    {
      "chain": true,
      "t": "up_25"
    },
    "up_25_to_flat",
    "flat_to_right_bank",
    "banked_right_turn_5",
    "right_bank_to_flat",
    "flat_to_down_60",
    "down_60",
    "down_60_to_down_25",
    "down_25",
    "down_25_to_flat",
    {
      "speed": 20,
      "t": "brakes"
    },
    "left_corkscrew_up",
    "left_corkscrew_down",
    "right_corkscrew_up",
    "right_corkscrew_down",
    {
      "speed": 22,
      "t": "booster"
    },
    "left_corkscrew_up",
    "left_corkscrew_down",
    "right_corkscrew_up",
    "right_corkscrew_down",
    {
      "speed": 15,
      "t": "booster"
    },
    "left_corkscrew_up",
    "left_corkscrew_down",
    "right_corkscrew_up",
    "right_corkscrew_down",
    "flat_to_right_bank",
    "banked_right_turn_5",
    "right_bank_to_flat",
    "flat_to_up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25_to_flat",
    "flat",
    "flat",
    "flat_to_up_25",
    "up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25",
    "down_25_to_flat",
    "flat_to_up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25_to_flat",
    "flat",
    "flat",
    "flat_to_up_25",
    "up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25",
    "down_25_to_flat",
    "flat_to_up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25_to_flat",
    "flat",
    {
      "speed": 16,
      "t": "booster"
    },
    "flat_to_up_25",
    "up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25",
    "down_25_to_flat",
    "flat_to_up_25",
    "up_25",
    "up_25_to_flat",
    "flat_to_down_25",
    "down_25",
    "down_25_to_flat",
    "flat",
    "flat",
    "flat_to_right_bank",
    "banked_right_turn_5",
    "right_bank_to_flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat_to_right_bank",
    "banked_right_turn_5",
    "right_bank_to_flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    "flat",
    {
      "speed": 12,
      "t": "brakes"
    },
    {
      "speed": 8,
      "t": "brakes"
    },
    {
      "speed": 6,
      "t": "brakes"
    },
    {
      "speed": 4,
      "t": "brakes"
    }
  ],
  "ride_type": 51,
  "start": {
    "dir": 0,
    "x": 55,
    "y": 90
  }
}

download scored .park

park screenshot, gpt-5.6-sol round 1

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