How Keras 3 Helped Modernise Expedia Group’s Lodging Ranking Stack

Expedia Group Technology — Data What happened when we treated a framework migration as an architecture modernisation — and cut P99 inference latency by two-thirds St Paul’s and millennium bridge, London Expedia Group ™ has always been a market leader in providing personalised search experiences for travellers. As our ranking models evolved, we saw an opportunity not just to migrate to Keras 3 , but to modernise the broader stack around it so we can better serve travellers. This led us to rewrite key parts of our pipelines that made model training 30% faster and cut P99 inference latency by two