Milvus
Billion-scale vector search
The top alternatives to Weaviate in the Vector Databases space, compared on features, pricing, and what they're best at.
Weaviate is an open-source vector database that combines vector search with structured filtering and generative capabilities. It supports multiple vectorization modules, hybrid search (combining BM25 and vector search), and built-in integrations with LLMs for retrieval-augmented generation. Weaviate offers both self-hosted and managed cloud deployments, with a GraphQL API that makes it easy to query complex data structures.
Milvus
Billion-scale vector search
Pinecone
Fully managed serverless vector database
Qdrant
High-performance open-source vector search
Chroma
Lightweight embedded vector database
Supabase
pgvector hosting
Neo4j
Native graph database with Cypher query language
MongoDB Atlas Vector Search
Elasticsearch
Redis Vector
ClickHouse
Analytics + vector
Neon
Serverless Postgres
TigerGraph
Vespa
LanceDB
Turbopuffer
SingleStore
ArangoDB
One platform for routing, observability, tracing, and evals across every LLM provider.