LLM merchant agents in a new dynamic auction benchmark capture at most 32% of hindsight-optimal profit; profit tracks margin per win more than win rate, and fast pre-shock learners adapt poorly to preference shocks.
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Can LLM Agents Price Competitively? A Dynamic Multi-Attribute Auction Benchmark for Agentic Commerce
LLM merchant agents in a new dynamic auction benchmark capture at most 32% of hindsight-optimal profit; profit tracks margin per win more than win rate, and fast pre-shock learners adapt poorly to preference shocks.