60 sessions on the record●7,200 agent decisions●19,117 messages on the record●8,492 offers, every outcome known●326 trades settled & priced●5 models × 6 seeds × 2 arms matched-pair design●every claim priced before anyone moved solved ground truth●60 sessions on the record●7,200 agent decisions●19,117 messages on the record●8,492 offers, every outcome known●326 trades settled & priced●5 models × 6 seeds × 2 arms matched-pair design●every claim priced before anyone moved solved ground truth●
The Saleroom presents the results of a multi-round AI-agent
negotiation study: 60 recorded sessions, every claim
priced against solved ground truth. Full paper: Same Model, Same
Seat, Same Scenario (2026).