Practical AI guides
Retrieval & memory
Explore document retrieval and persistent memory through their storage, context, and maintenance tradeoffs.
Where to start
Retrieval design starts with the documents and questions you need to support. Compare how systems select context, handle updates, and preserve provenance before treating a retrieval technique as a universal improvement.
- How is relevant context selected?
- What happens when documents or memories become stale?
- What storage and model calls does retrieval require?
