Skip to main content
usedby

200 data scientists

“Booking.com uses H2O to run experiments across billions of rows of data and support 200 data scientists.”

As published on h2o.ai. Checked by usedby on Oct 17, 2026.

What happened

Booking.com uses H2O together with Spark (Sparkling Water) as part of its machine learning platform, running experiments on billions of rows of data and supporting its data scientists across the pipeline from data collection to training and production.

Summary written by usedby from the source page, in English. The figures are those of H2O.ai and Booking.com, not ours.

He shows how Booking.com is able to scale their experiments to billions of rows of data using H2O and Sparkling Water.

From the page. h2o.ai

The H2O integration with Spark gives you the best of both worlds: Data munching in Spark and model training in H2O.

Brammert Ottens, Senior Data Scientist, Booking.com. Source

What the story claims, and what we checked

What we compared with the page.

  • The figure: 200 data scientistsCheckedPrinted word for word on the page, near the name of Booking.com.
  • The passage quoted aboveCheckedCopied word for word from the page, near the name of Booking.com.
  • Booking.com uses H2O.aiCheckedConfirmed line.
  • The result itselfNot checkedWe quote it; we did not measure it.

Same company, same tool or same industry.

40%“Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs”Booking.com uses Weaviate. Another tool at Booking.com70%“cut model development time by 70%”Acordo Certo uses H2O.ai. Another customer of H2O.ai$1M“saving roughly $1M a year”AES uses H2O.ai. Another customer of H2O.ai