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CrateDBEuropean real-time analytics database for live operational data
vs
OpenSearchThe open engine for AI-powered search and observability
Comparison · Vector Databases · weekly run Nov 2

CrateDB vs OpenSearch

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

OpenSearch is the stronger AI pick in Vector Databases: it has a visibility score of 3.9 versus 0 for CrateDB.

Choose CrateDB if…

  • You need ISO 27001 (CrateDB Cloud on AWS and Azure) or SOC 2 Type II coverage
  • Handles massive time-series, IoT, and operational data in real time
  • Strong for high-volume real-time analytics
  • Horizontal scalability with SQL access

Choose OpenSearch if…

  • You want the brand AI engines rank higher (3.9 vs 0)
  • You prefer a larger, established vendor (51–200 employees)
  • Strong general database popularity
  • Hybrid keyword-plus-semantic search with dense vectors

AI visibility side by side

Latest weekly run · Nov 2

Metric CrateDB OpenSearch
Visibility score0%3.9%
Change vs last weekNewNew
Rank in Vector Databases#29#16
Share of voice0%1.7%
Mentions this run08
Positive in AI answers0%0%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2CrateDB 0%

CrateDB 0pp · OpenSearch 0pp over 0 weekly runs.

Engine by engine

OpenSearch leads on 3 of 3 engines

ChatGPT
0%
3.9%
AI Mode
0%
3%
Perplexity
0%
4.8%
CrateDBOpenSearch

Head to head in AI answers

0 engine answers name both brands

0CrateDB ranked higher
0OpenSearch ranked higher

Features, pricing & fit

DimensionCrateDBOpenSearch
Pricing modelUsage-based—
Entry priceFree; paid from $0.073 / mo—
Free planYes—
DeploymentOn-prem, at the edge, in public or private cloud, or fully managed on CrateDB Cloud or STACKIT.Self-managed, or through Amazon OpenSearch Service and managed providers such as Aiven and Instaclustr. A Kubernetes operator is available for managing clusters.
ComplianceISO 27001 (CrateDB Cloud on AWS and Azure), SOC 2 Type II—
SupportDevelopment support (free plan), Basic support (included with dedicated plans), Premium support (optional)Community forum, Slack, GitHub, Long-term support from certified providers
Founded20132021
HeadquartersVienna, AustriaSan Francisco, CA, United States
Employees11–5051–200
FundingSeed round (per Caplight, amount not stated)—
Best forTeams with high-volume, high-cardinality operational data, such as sensor, telemetry and event streams, who need real-time analytics, search and vector queries without ETL.Organizations that want search, vector retrieval, and observability on open source software without vendor lock-in.

Plans side by side

CrateDB

Shared$0.073hour (starting)
Dedicated$0.246hour (starting, incl. basic support)
CustomCustomcontact us
CrateDB pricing

OpenSearch

Pricing not available.

Pros and cons

Themes from the AI answers that mention each brand

CrateDB

  • Handles massive time-series, IoT, and operational data in real time
  • Strong for high-volume real-time analytics
  • Horizontal scalability with SQL access
  • Weaker than full transactional guarantees

OpenSearch

  • Strong general database popularity
  • Hybrid keyword-plus-semantic search with dense vectors
  • Suited to broader search, logging, analytics, and observability

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “CrateDB vs OpenSearch”, https://slateindex.ai/compare/cratedb-vs-opensearch, data of Nov 2, 2026. Licence: CC BY 4.0.