Milvus
High-performance vector database — billion-scale AI similarity search.
Apache-2.0 alternative to Pinecone with HNSW/IVF/DiskANN indexing, GPU acceleration, and distributed architecture. Lite mode for development.
aivector-databaseembeddings
44.6K4KApache-2.0
vs Pinecone
Qdrant
High-performance vector database — semantic search at scale.
Apache-2.0 alternative to Pinecone with HNSW indexing, payload filtering, and distributed deployment. Rust engine with REST/gRPC APIs.
aivector-databasesearch
31.7K2.3KApache-2.0
vs Pinecone
Chroma
Rust-based vector database for AI — serverless cloud with hybrid and full-text search for embeddings, metadata, and RAG
Open-source vector database for AI search and retrieval
aivector-databaseembeddings
28.2K2.3KApache-2.0
vs Pinecone
Weaviate
AI-native vector database with semantic search, RAG, and hybrid search for building AI agents and applications
AI-native vector database for intuitive applications
aivector-databaseembeddings
16.3K1.3KBSD-3-Clause
vs Pinecone