DoorDash Cuts Grocery Reorder Latency from 16 to 2 Seconds with AI Agents

DoorDash reduced grocery reorder latency from 16 to 2 seconds by precomputing recurring purchase needs using batch LLM inference and deterministic validation, doubling shopping list views and boosting order rates by 34%. The system integrates with its Ask DoorDash conversational assistant and shared agent platform for efficient, adaptable shopping experiences.