Best Vector Databases for AI

Vector databases for storing and querying embeddings. Compare managed vs self-hosted, performance, pricing, and ecosystem integrations.

4 tools·Updated February 2025
1
C

ChromaDB

Open-source embedding database for AI applications

InfrastructureOpen Source15KLow setup
RAG applicationsEmbedding storageSimilarity search
2
P

Pinecone

Managed vector database for AI applications

InfrastructureFreemiumLow setup
Semantic searchRAG systemsRecommendation engines
3
Q

Qdrant

High-performance open-source vector search engine

InfrastructureOpen Source21KMedium setup
Vector search at scaleRecommendation systemsAnomaly detection
4
W

Weaviate

Open-source vector database with built-in ML models

InfrastructureOpen Source12KMedium setup
Semantic searchHybrid searchGenerative search

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