Airbnb uses a Transformer to turn years of guest actions into smarter search results
Airbnb replaced hand‑crafted ranking features with a sequence model that ingests every view, booking and cancellation a guest has ever made. By encoding this massive event stream in a Transformer, the platform surfaces listings that match a traveller’s evolving preferences, boosting relevance and conversion. The approach scales to millions of users and unlocks richer personalization across the search funnel.