ARENA
VS
Offline
READY
Configure and launch the auction
BIDDER 1 Claude 4.5 Sonnet
Private Value
-
Bid
-
Round Profit $0
Your Turn to Bid
$50
BIDDER 2 GPT-4o
Private Value
-
Bid
-
Round Profit $0
Your Turn to Bid
$50
BIDDER 1 WINS!
Paid $50 for item valued at $80
EFFICIENT