Expedia
Cost and speed

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

Our short summary of Expedia’s engineering write-up. The full story, with all the detail, is on their blog.

Read the full write-up on medium.com (opens in a new tab)

Problem

Slow training and high latency slowed new ranking model releases.

Solution

They rewrote the training and serving pipelines with Keras 3, modern GPU optimisations, and cleaner APIs, making training 30% faster and cutting P99 inference latency by two‑thirds.

Want the architecture, code and numbers? They’re in the original post.

Read the full write-up on medium.com (opens in a new tab)

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