Best Pinecone alternatives

Open-source embedding database built to be the simplest way to add vector search to a Python or JavaScript app, from local prototypes to production.

Open-source vector database written in Rust, built for fast filtered search with hybrid dense and sparse retrieval.

Open-source vector database with native hybrid search that fuses BM25 keyword matching and vector similarity in a single query.

Open-source Postgres extension that adds vector similarity search directly into an existing database, letting teams skip a separate vector database entirely.

Open-source vector database built for billion-scale similarity search, with a distributed, cloud-native architecture and a managed cloud option called Zilliz Cloud.