# How Booking.com uses Weaviate

**40%**: “Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs”

As published on [weaviate.io](https://weaviate.io/case-studies/booking). Captured by usedby on 2026-10-02.

- Company: [Booking.com](https://www.usedby.ai/companies/booking-com.md)
- Tool: [Weaviate](https://www.usedby.ai/tools/weaviate.md)
- Industry: [Travel & Hospitality](https://www.usedby.ai/companies/industry/travel-hospitality.md)
- Teams: Machine Learning & Data Science

## What the story says

Booking.com's Machine Learning & Data Science team uses Weaviate as the backend of a centralized embedding service that provides vector search and data management for machine learning, agentic, and GenAI projects across the company. It replaced OpenSearch as the vector store.

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

> In benchmark tests based on actual production workloads, Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs.

- **20x**: “Weaviate outperformed OpenSearch by 20x in the benchmark, with a 40x reduction in usage cost.”

> Our evaluation confirmed that systems built specifically for vector search behave better than general-purpose search engines with vector capabilities added on. Among the evaluated options, Weaviate showed the most consistent performance across our scenarios, so we selected it as the new backend for our shared embedding services platform.
>
> Başak Tuğçe Eskili, Machine Learning Engineer

## What usedby checked

We compared the story with its live page on 2026-10-03.

- Checked: the figure 40% is printed word for word on the page, near the name of Booking.com.
- Checked: the passage quoted above is copied word for word from the page, near the name of Booking.com.
- Checked: Booking.com uses Weaviate. Confirmed line. Latest check across sources: 2026-10-02.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/booking-com-weaviate · How we check: https://www.usedby.ai/methodology