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SPECIFICTION
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Infinity vs KDB.AI

Infinity

infiniflow.org

KDB.AI

kdb.ai

Side by side

FigureInfinityKDB.AI
Price from—Free
Free plan—Yes
Free trial—Yes
Open source——
Web—Yes
WindowsYes—
macOSYes—
LinuxYes—
APIYesYes
Self-hostedYesYes
Plans published02
Spec score · Vector Databases7.8 (#14)7.9 (#11)
DeploymentThe quickstart documents deploying Infinity with Docker, while the binary guide offers Linux packages in deb, rpm, or tgz formats.The maker documents both a managed cloud Starter Edition and a self-managed Server Standard Edition.
SearchIt supports hybrid search across dense embeddings, sparse embeddings, tensors, and full text, with filtering.It supports hybrid search combining dense and sparse vector search, metadata filtering, and temporal similarity search.

Plans

Infinity

No plans published.

Infinity pricing →

KDB.AI

  • KDB.AI Cloud Starter EditionFree
  • KDB.AI Server Standard EditionPriced on request

KDB.AI pricing →

In their own words

Infinity

Infinity has no write-up on Specifiction yet; its figures are above.

Visit infiniflow.org

KDB.AI

KDB.AI is a vector database and search engine for building AI applications with real-time data. Its hybrid search combines dense and sparse vector search with metadata filtering and temporal similarity search. It supports retrieval-augmented generation using unstructured text, video, audio, and image data. Listed vector indexes include Flat, qFlat, IVF, IVFPQ, HNSW, qHNSW, and BM25. Documentation lists integrations with LangChain, Vector IO, and LlamaIndex, while native NVIDIA cuVS integration enables GPU-accelerated vector search. Deployment options include a managed Cloud Starter Edition and a self-managed Server Standard Edition. The free Cloud Starter Edition provides 4 GB of memory per instance, 30 GB of storage, and a 10 MB query size. Its agreement makes no commitment to availability or uptime and provides the service without warranty. The cloud FAQ points users to a Slack community or [email protected] for assistance. The maker presents research assistants, portfolio management, real-time alpha and beta extraction, and image processing as use cases. KDB.AI is offered through API, web, and self-hosted platforms.

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