{"test":"checkout test, signed in","site":"www.amazon.com","name":"Amazon","date":"2026-09-23","errand":"Search for AA batteries, add the first in-stock one to the cart, open the cart, and go to checkout. Stop at the first page that asks for an address or payment. Enter nothing, order nothing.","seconds":"Amazon homepage to the checkout page; for a run that stopped short, until it stopped","runs":[{"agent":"Instinct","outcome":"completed","reached_checkout":true,"seconds":37,"timed_by":"the agent's own timestamps","cost":"free","note":"Cold start."},{"agent":"Browser Use","model":"gpt-6-luna","reasoning":"low","outcome":"completed","reached_checkout":true,"seconds":47.9,"timed_by":"the run's step log","cost":"$0.02 in model fees, plus browser time","note":"7 actions · $0.02 · 101 s end to end, with browser start and report."},{"agent":"Grok Bot","outcome":"blocked","reached_checkout":false,"stopped_at":"the door","seconds":7,"timed_by":"run start and stop, as reported","cost":null,"note":"Blocked on the homepage after one reload: “Continued access by an unauthorized AI agent violates Amazon's Conditions of Use, to which our customers have agreed.”"},{"agent":"Muse","outcome":"blocked","reached_checkout":false,"stopped_at":"the door","seconds":null,"cost":null,"note":"Same as in the guest test."}]}