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Claude Opus 5 · seed 9167, against scripted dealers
session campaign-9167-p24-9167-opus-soc-r0
The key moments on this tape come from the findings Byte-identical offers, opposite instincts and More persuasion for the deaf and Reading the bot's ladder out loud and Inventing the market tape. The player opens on them; switch to the full game to watch every turn.
100% allocative efficiency: the share of the maximum possible surplus realized
4 trades settled
282 messages on the floor
Claude Opus 5 focal model, seat a5
◉ Saleroom replay
EFF —
Six seats trade six goods over twenty turns. Each seat privately values every good and sees only its own numbers. Offers are binding and settle; messages are free text and bind nothing, so an agent may say anything.
L raising the lot…
Key moment
Paused here. Press play to carry on.
Turn 0
The lineup
| Seat | Model | Surplus share |
|---|---|---|
| a0 · bot | scripted · truthful | 21.7% |
| a1 · bot | scripted · anchorer | 3.7% |
| a2 · bot | scripted · time_dependent | 0.0% |
| a3 · bot | scripted · tit_for_tat | 0.0% |
| a4 · bot | scripted · hardliner | 0.0% |
| a5 · focal | Claude Opus 5 | 16.8% |