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AI Databases & Vector Infrastructure encompasses database systems and storage layers purpose-built or extended to support AI workloads, including large language models, retrieval-augmented generation (RAG) pipelines, and autonomous agents. These systems store and index high-dimensional vector embeddings — mathematical representations of unstructured data such as text, images, and documents — enabling fast approximate nearest-neighbor (ANN) similarity search alongside traditional structured querying. The category spans dedicated vector databases built from the ground up for embedding search, vector extensions added to existing relational or analytical databases, and AI-optimized analytical stores capable of serving agentic systems at petabyte scale with millisecond latency.
Standard relational and keyword-based databases cannot retrieve information by semantic meaning, leaving LLMs unable to search private enterprise data or maintain context across sessions. AI Databases & Vector Infrastructure solves this by providing the storage and retrieval layer that grounds AI outputs in relevant, up-to-date knowledge — enabling RAG pipelines to fetch contextually similar documents, giving agents persistent memory across multi-step tasks, and powering semantic search that matches user intent rather than exact terms. These systems also address the operational challenge of scaling embedding storage and hybrid search — combining dense vector, keyword, and metadata filtering — without prohibitive latency or infrastructure complexity.
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Spiral is an object-store-native data platform and database for AI research that stores and indexes high-dimensional vector embeddings, images, video, and other multimodal data, enabling machine-scale throughput from S3 directly to GPU with unified governance and granular time-bounded permissioning.

by Pinecone
A serverless, object storage-based vector database that stores and retrieves high-dimensional embeddings at scale, supporting semantic search, RAG pipelines, and recommendation systems with low latency and high recall.

by ScyllaDB
ScyllaDB Vector Search is an integrated vector similarity search feature built directly into ScyllaDB, enabling billion-scale approximate nearest-neighbor (ANN) search over high-dimensional embeddings with millisecond P99 latency — eliminating the need for a separate standalone vector database.

by Vector Database Cloud
A compliance-native API layer and unified platform for enterprise AI workloads, offering a single REST/GraphQL interface, multi-cloud and BYOC deployment, built-in regulatory compliance (GDPR, HIPAA, PCI-DSS), an enterprise sandbox, and a plug-and-play connectors marketplace to accelerate compliant AI application development.

An AI search and data serving platform that stores and indexes high-dimensional vectors, tensors, and structured data, enabling hybrid vector and keyword search, real-time ML ranking, and retrieval-augmented generation pipelines at billions-of-document scale.

by ClickHouse
A fully managed, cloud-native analytics service built on the ClickHouse engine, offering sub-second query performance at any scale with elastic autoscaling, built-in data ingestion via ClickPipes, automated backups, monitoring, and support for AI/ML and GenAI workloads across AWS, GCP, and Azure.