Free OSS; Cloud usage-based Chroma
Dedicated
A developer-friendly vector database for local retrieval, with managed Cloud search and ingestion options.
Dedicated
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Free OSS; Cloud usage-based 
Free OSS LanceDB
Dedicated
An embedded vector database for developers building AI search, with hybrid retrieval, versioned tables, and source data stored alongside embeddings.
Usage-based; monthly minimum Turbopuffer
Dedicated
Search database built on object storage, combining vector and keyword retrieval with native embeddings, metadata filters, and optional reserved resources.
Milvus
Dedicated
Open-source, billion-scale vector database under LF AI & Data; 3.0 indexes lakehouse data in place, with DiskANN and GPU CAGRA indexes.
Zilliz Cloud
Dedicated
Fully managed Milvus from its commercial steward, with AutoIndex tuning, the Cardinal engine, and post-2026 storage pricing at $0.04/GB/month.
Qdrant
Dedicated
Open-source Rust vector database with in-graph payload filtering, three quantization families, and a free forever cloud tier.
Weaviate
Dedicated
Open-source vector database with native BM25 + vector hybrid search, per-tenant shard isolation, and multimodal vectorizer modules.
Pinecone
Dedicated
Fully managed serverless vector database with zero-ops scaling, deep RAG framework integrations, and enterprise compliance.