# Letta vs SwarmVault — Fit & Features

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

Compare Letta and SwarmVault 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

### SwarmVault
The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management, AI second brain, and durable Claude Code / Codex /.
Best fit: People and teams evaluating ai memory & retrieval for a specific workflow.
- Knowledge workflows
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read SwarmVault profile](https://trutool.co/tools/swarmvault): Read SwarmVault profile