Resource / Free Vector Databases

Pinecone

A managed vector database for RAG and semantic search applications.

Free and open source

An official Starter/free entry point is available; specific storage and read/write limits are subject to the current plan page.

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Strong Candidate · Maintenance risk 4/5

Last verified: 2026-08-28. A free tier is not a permanent commitment; re-check the official conditions before use.