# Letta vs Qdrant — Fit & Features

Canonical: https://trutool.co/compare/letta-vs-qdrant
Author: Snehil (https://trutool.co/authors/snehil)

Compare Letta and Qdrant by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Letta
Build agents that retain and manage state and memory across interactions.
Best fit: Developers building grounded assistants with persistent context and retrieval.
- Stateful agents
- Agent memory
- Agent APIs
Before you choose: Test retrieval quality, deletion behavior, access boundaries, and retention. Compare hosting and embedding costs for your data.
Pricing: https://www.letta.com
- [Read Letta profile](https://trutool.co/tools/letta): Read Letta profile

### Qdrant
Build vector search and retrieval systems with an open-source vector database.
Best fit: Developers building grounded assistants with persistent context and retrieval.
- Vector search
- Metadata filtering
- Embedding storage
Before you choose: Test retrieval quality, deletion behavior, access boundaries, and retention. Compare hosting and embedding costs for your data.
Pricing: https://qdrant.tech
- [Read Qdrant profile](https://trutool.co/tools/qdrant): Read Qdrant profile