Vector Databases

Cloud-managed search and vector database service for enterprise retrieval-augmented generation (RAG) and search applicat...

Open-source embedding database designed for AI applications, with a simple Python/JavaScript API and in-memory or persis...

Vector search capabilities built into Elasticsearch, combining dense vector ANN search with full-text BM25 for hybrid re...

Facebook AI Similarity Search — a library for efficient similarity search and clustering of dense vectors, optimized for...

Open-source embedded vector database built on the Lance columnar format, optimized for multimodal data and AI workloads ...

Open-source tensor search engine that handles end-to-end vectorization, indexing, and retrieval with a document-centric ...

Open-source vector database built for billion-scale similarity search, powering Zilliz Cloud managed service.

Vector database built into MongoDB Atlas, enabling semantic search and AI applications alongside operational data. Key d...

Serverless PostgreSQL with pgvector support. Auto-scaling, branching, and bottomless storage. Free tier included.

Open-source search and analytics suite with k-NN vector search plugin, enabling hybrid full-text and semantic search at ...

Open-source vector similarity search extension for PostgreSQL, enabling vector storage and ANN search without leaving yo...

Fully managed vector database for storing, indexing, and querying high-dimensional embedding vectors. Offers serverless ...

Open-source vector database built in Rust for high-performance similarity search with advanced filtering. Key differenti...

Redis-based vector database that enables vector similarity search using in-memory architecture. Key differentiator is ul...

PostgreSQL + pgvector + Auth + Storage in one platform. Built-in vector search without separate vector DB.

Serverless vector search engine built on object storage, offering low-cost storage-first ANN search with a simple API.

Serverless vector database with pay-per-request pricing. REST API, no connection management needed.

Open-source big data serving engine by Yahoo/Verizon with native vector search, real-time indexing, and support for comp...

Open-source vector database with built-in vectorization, hybrid search (BM25 + vector), and multi-tenancy support.

Fully managed vector database service built on Milvus, offering serverless and dedicated tiers with a free tier for gett...