Weaviate

What it does

Weaviate combines vector search with structured data and hybrid retrieval, letting an application balance semantic similarity against exact terms. It offers an open-source deployment and a managed cloud product; the official cloud page lists a free starting tier and paid plans whose charges change with storage, dimensions, and deployment choices. Builders can use it for search and retrieval-augmented generation, but should not assume that a database choice alone determines answer accuracy. Create a representative evaluation set, compare hybrid and vector-only retrieval, and include embedding and query-agent charges in the total cost.

Editorial notes

Weaviate is worth comparing when a project needs both semantic and lexical search. Its managed service reduces infrastructure work, though billing has more dimensions than a simple subscription label suggests. Check the calculator against the expected object count.

Check the official product and pricing details before subscribing or deploying; features, limits, and prices can change.