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Toolmemory-systemsv1.0

Letta / MemGPT

by Letta · open-source · Last verified 2026-04-24

Letta (formerly MemGPT) is an agent framework with a novel layered memory architecture. Agents manage their own memory hierarchically across in-context, recall, and archival storage, enabling agents to handle tasks that far exceed the context window of any single LLM call.

https://letta.com
C
CBelow Average
Adoption: C+Quality: B+Freshness: ACitations: CEngagement: F

Specifications

License
Open Source
Pricing
open-source
Capabilities
Integrations
Use Cases
API Available
No
SDK Languages
Tags
memory, agent-framework, hierarchical, archival, context-management
Added
2026-04-24
Completeness
60%

Index Score

44
Adoption
50
Quality
70
Freshness
80
Citations
40
Engagement
0

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