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Claude Haiku 4.5 vs GPT-5.5

Same seed — a controlled comparison: the first differing action is where behavior split.

1/7
cash gap now: $50.19
Claude Haiku 4.5$473.80
Day 1cola · qty 14$1.50✕ sold outcandy · qty 15$1.25✕ sold outchips · qty 15$1.75✕ sold outwater · qty 15$1.00✕ sold out$473.80restockz z z⚠ supplier switchsupplier_3: paid $0.56/unit vs $0.34 quoted (+$4.40)
GPT-5.5$423.61
Day 1cola · qty 41$1.45✕ sold outcandy · qty 41$1.25✕ sold outchips · qty 33$1.75✕ sold outwater · qty 53$1.00✕ sold out$423.61restockz z z⚠ supplier switchsupplier_3: paid $0.56/unit vs $0.34 quoted (+$13.20)