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Vector Databases

Embedding storage, similarity search, RAG infrastructure

Reviewed byRoman Kยท 2026-05-06

Soft.xyz tracks 4 vector databases tools, 4 with a free plan, 2 open source. Paid entries start at $0/mo (Qdrant) and go up to $25/mo (Weaviate). Most GitHub traction: Milvus with 45,000 stars. Rankings below use real metrics, not vendor claims.

4 vector databases tools currently tracked: 4 open source, 0 with a managed free tier, 0 paid-only.

By GitHub activity the most popular is Milvus (45.0k stars).

Cheapest paid plan in the list starts at $25/mo (Weaviate).

FAQ

How many vector databases tools are tracked here?

4, of which 4 offer a free plan and 2 are open source.

What is the cheapest vector databases tool?

Qdrant starts at $0/mo, while Weaviate is the priciest tracked entry at $25/mo.

Which vector databases tool has the most traction?

Milvus leads the tracked set with 45,000 GitHub stars.