Vector Databases

Databases optimized for storing and searching vector embeddings

16 tools

Chroma

Open Source

Lightweight open-source embedding database. Simple Python API, runs in-process or as server. Great for prototyping.

Vector Databases

Elasticsearch (Vector)

Freemium

Elasticsearch with kNN vector search. Combine full-text and vector search in one system. Mature ops tooling.

Vector Databases

FAISS

Open Source

Meta's library for efficient similarity search. CPU and GPU optimized. Best for local/embedded vector search.

Vector Databases

LanceDB

Open Source

Serverless vector database built on Lance format. Embedded, no server needed. Great for edge and local apps.

Vector Databases

Marqo

Freemium

End-to-end vector search engine. Handles embedding generation, storage, and retrieval in one system.

Vector Databases

Milvus

Open Source

Cloud-native vector database for enterprise AI. Billion-scale vector search with GPU acceleration. Zilliz Cloud managed ...

Vector Databases

Neon

Freemium

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

Vector Databases

pgvector

Open Source

Vector similarity extension for PostgreSQL. Add vector search to existing Postgres without new infrastructure.

Vector Databases

Pinecone

Freemium

Managed vector database for similarity search at scale. Free tier: 1 index, 100K vectors. Low-latency queries.

Vector Databases

Qdrant

Freemium

High-performance vector database written in Rust. Advanced filtering, payload indexing, and distributed deployment.

Vector Databases

Supabase (pgvector)

Freemium

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

Vector Databases

Turbopuffer

Paid

Serverless vector database with pay-per-query pricing. S3-backed storage for cost-efficient large-scale search.

Vector Databases

Upstash Vector

Freemium

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

Vector Databases

Vespa

Open Source

Yahoo's big data serving engine. Combined vector, text, and structured search with real-time indexing at scale.

Vector Databases

Weaviate

Freemium

Open-source vector database with built-in ML models. Hybrid search (vector + keyword). Self-hosted or managed.

Vector Databases

Zilliz Cloud

Freemium

Managed Milvus service. Enterprise vector database with auto-scaling, backup, and global deployment.

Vector Databases