Vector databases AI tools

Vector databases

Open-source search infrastructure for AI — vector, full-text, regex, and metadata search at scale

Free open-source (Apache 2.0) · Cloud available

TypeScriptPythonRust

27kPopular

LanceDB

DuckDBLlamaIndexCrewAISpark+1

Vector databases

Multimodal Lakehouse for AI

Free tierEveryone

Milvus

pipAttuMilvus CLIMilvus Backup+4

Vector databases

The High-Performance Vector Database Built for Scale

Self-hosted open-source (free); managed cloud via Zilliz Cloud available in serverless and dedicated cluster, SaaS and BYOC options

46k

MongoDB Atlas Vector Search

Voyage AI (Automated Embeddings); any LLM via RAG10M+ users

Vector databases

Build intelligent applications powered by semantic search and generative AI with a native, full-featured vector database.

Free tier available; paid plans for Atlas (Enterprise)

Voyage AIKafka

Free tierEveryoneAPI

Pinecone

Claude CodeCursorCopilotGemini+1

Vector databases

The fully managed vector database built for knowledgeable AI — fast retrieval, accurate results, lower costs.

Free tier · pay-as-you-go scaling

Free tierEveryoneAPI

Qdrant

Free tierDevAPIOSSSelf-host

Vector databases

High-performance vector search engine built for production-grade AI retrieval at any scale

Free tier: 0.5 vCPU / 1GB RAM / 4GB Disk, free forever. Standard tier: usage-based pricing (charged for vCPU, memory GB, storage GB). Premium tier: minimum spend required. Hybrid Cloud and Private Cloud available for enterprise.

AWSGCPAzureKubernetes+5

35kPopular

turbopuffer

Vector databases

Fast vector and full-text search engine built on object storage — 10x cheaper and infinitely scalable

10x cheaper than alternatives · cost calculator available

S3Slack

Free tierDevAPI

Vespa

Free tierDevAPIOSSSelf-host

Vector databases

AI Search Platform for large-scale vector search, ranking, and real-time inference

Free trial available

GitHub

Weaviate

PythonGoTypeScriptJavaScript+2

Vector databases

The open-source AI-native vector database built for production-scale search, RAG, and agents

Zilliz

Vector databases

The Vector Lakebase for AI — real-time serving, iterative discovery, and batch analytics at hundred-billion scale

Free tier at $0 (5 GB storage, 2.5M vCUs/month, up to 5 collections). Standard from $0/month (Serverless) or from $126/GB/month (Dedicated). Enterprise from $197/month (Dedicated). Business Critical: custom pricing. BYOC available.

S3IcebergLanceParquet