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Letta

NEW
Free (open-source)· AI Agents· Updated 1w ago

About Letta

Letta (formerly MemGPT) gives AI agents infinite context through hierarchical memory management. Agents store, retrieve, and edit their own memories to maintain long-term context across thousands of conversations.

Screenshot

Letta Screenshot

Use Cases

Edit their own memories to maintain long-term context acros
Build and deploy autonomous AI agents
Run multi-step tasks with AI planning
Connect AI to live tools and APIs

Pros & Cons

Pros

Completely free to use
Developer API for custom integrations
Handles multi-step tasks autonomously

Cons

Learning curve for advanced features
Support response times can vary
Outputs benefit from human review
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Tool Details

Pricing Free (open-source)
Category AI Agents
Added Mar 6, 2026
Updated 1w ago Verified
Best For Developers building autonomous AI pipelines
Founded 2023
Platforms Web
Free Trial No
Public API Yes

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