Key Features
- Persistent memory across conversations
- CLI + Python + TypeScript SDKs
- Skills and subagents
- Model-agnostic (Claude, GPT, open-source)
- Web search built in
FAQ
Q: What is Letta? A: Letta builds stateful AI agents with 21.8K+ stars. Persistent memory, self-improvement. Apache 2.0.
Q: How do I install Letta? A: npm install -g @letta-ai/letta-code or pip install letta-client.