KDB.AI

7.5easy start · #6 of 27
in Vector Databases

Free to practise onyes
Free trialyes
Well documentedyes
Runs where you worknot on record

Runs on api, self-hosted, Web.

KDB.AI is ranked #6 of 27 in vector databases on The Geeks Club. It runs on API, Self-hosted, Web. There is a free plan. A free trial is offered.

KDB.AI plans and pricing

All plans

KDB.AI Cloud Starter Edition Free 4 GB memory per instance · 30 GB storage · 10 MB query size code.kx.com · 4 Oct 2026

KDB.AI Server Standard Edition Not published Single-container deployment · scale to requirements · customize to development environment code.kx.com · 4 Oct 2026

Compared on vector databases

Free plan: Yes
Hybrid search: Yes
Metadata filtering: Yes

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The record

Product: KDB.AI is a vector database and search engine for building AI applications with real-time data.
Search: It supports hybrid search combining dense and sparse vector search, metadata filtering, and temporal similarity search.
Multimodal: The product supports RAG with unstructured data such as text, video, audio, and images.
Indexes: The cloud FAQ lists Flat, qFlat, IVF, IVFPQ, HSNW, and qHSNW as supported vector indexes.
Integrations: The documentation lists LangChain, Vector IO, and LlamaIndex integrations.
GPU integration: KDB.AI natively integrates NVIDIA cuVS for GPU-accelerated vector search.
Use cases: The maker presents AI research assistants, portfolio management, real-time alpha and beta extraction, and image processing as use cases.
Limits: KDB.AI Cloud Starter Edition provides 4 GB RAM, 30 GB storage, and a 10 MB query size.
Support: The cloud FAQ directs users to the Slack community or [email protected] for assistance.
Security terms: The Cloud Starter agreement asks users to secure their credentials and access keys and notify KX if they suspect compromise.
Availability terms: The Cloud Starter agreement makes no commitment to service availability or uptime and says the service is provided without warranty.
Deployment: The maker documents both a managed cloud Starter Edition and a self-managed Server Standard Edition.
Founded: 1993
Headquarters: Newry, Northern Ireland, UK
Price from: Free

Where it ranks on The Geeks Club

Best Vector Databases in 2026#6 of 27

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Sources

code.kx.com/kdbai/1.1.0/· checked 4 Oct 2026
kdb.ai· checked 4 Oct 2026
code.kx.com/kdbai/1.6.0/support/cloud-faqs.html· checked 4 Oct 2026
kdb.ai/solutions/· checked 4 Oct 2026
code.kx.com/kdbai/latest/support/cloud-faqs.html· checked 4 Oct 2026
kdb.ai/legal/cloud-starter-eula/· checked 4 Oct 2026