Dense-vector similarity search
Compare encoded representations to locate nearby indexed items.
When to consider it
- When semantic similarity is a useful retrieval signal
Considerations
- Encoding and index choices affect results; similarity is not a proof of relevance.
Connections
- Supports functionRetrieve semantically related content
- Used byQdrant
- In areaRetrieval, Memory & State
- Used bypgvector
Sources
Last reviewed 2026-09-29