Swarmnest

Home › Directory › Agent Frameworks › Letta

Letta

Platform for stateful agents with self-managed memory, descended from the MemGPT research project.

Visit LettaDocs

CategoryAgent Frameworks
AuthenticationAPI key
PricingFree tier
Websitehttps://www.letta.com/
Docshttps://docs.letta.com
Last checked2026-10-14
As JSON/api/v1/directory/letta.json

Information is summarised in our own words and may be out of date; check the vendor's site for current terms and prices. Not affiliated with Letta. Suggest a correction.

More in Agent Frameworks

LangGraph

Library for building stateful, multi-step agents as graphs, with persistence and human-in-the-loop controls.

LangChain

Widely used toolkit of components for LLM apps, covering models, tools, retrievers and chains.

CrewAI

Framework for orchestrating teams of role-playing agents that split up a task.

AutoGen

Microsoft's framework for multi-agent conversations and workflows, in Python and .NET.