LE
ENT-00002005 · AI Framework

Letta

Letta is a AI software framework associated with Letta, classified in LXKeys.world as AI / ML Framework.

Level V PersistentActiveDocumented
Human record

Overview

Letta is an AI infrastructure or development system associated with Letta. It is documented as stateful agent framework derived from MemGPT.

Timeline

  1. 2024Initial public software release

    Letta entered the documented public record in 2024. This event is retained at the precision supported by the Entry’s reviewed source history.

Capabilities

AI development infrastructureFramework or tooling documentationDeveloper workflow supportPublic source anchoringRelationship graph compatibility

Known limitations

Capabilities depend on software version, installation context and supported integrations.Project scope can change through releases and community development.
Technical and structured detail

Technical description

Structured LXKeys.world registry record for Letta. Entity type: AI Framework; classification: AI / ML Framework; creator/organization context: Letta. Canonical source anchor: https://github.com/letta-ai/letta. The record tracks source authority, first public appearance, timeline, capabilities, limitations, registry status and graph relationships. Automatic refresh is limited to sources explicitly classified as OFFICIAL and enabled for updates; documentary and research references remain non-authoritative unless reviewed.

Controlled tags

AI InfrastructureFrameworkMachine LearningDeveloper Tool
Relationship graph

Letta

Open in full graph
Letta
ClassificationOutgoing
Framework / Tooling System

Letta is classified as Framework / Tooling System.

Associated organizationIncoming
MemGPT

Letta is the organization or institutional context associated with MemGPT.

Machine readable layer

Structured entry data for human tools, AI systems and machine clients.

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    "@type": "Thing",
    "identifier": "ENT-00002005",
    "name": "Letta",
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    "description": "Letta is a AI software framework associated with Letta, classified in LXKeys.world as AI / ML Framework.",
    "creator": "Letta",
    "url": "https://lxkeys.world/entry.php?id=ENT-00002005&lang=en",
    "sameAs": "https://github.com/letta-ai/letta",
    "image": "",
    "lxkeysWorld": {
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        "originContext": "Stateful LLM agents and long-term memory",
        "firstPublicAppearance": "2024",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "total": 82,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 19,
            "level": "Level V Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-17T01:33:48+00:00",
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            "updated_utc": "2026-06-17T01:33:48+00:00",
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        "capabilities": [
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            "Developer Tool"
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                "date": "2024",
                "title": "Initial public software release",
                "description": "Letta entered the documented public record in 2024. This event is retained at the precision supported by the Entry’s reviewed source history.",
                "source_url": "https://github.com/letta-ai/letta",
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        "sources": [
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                "url": "https://github.com/letta-ai/letta",
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}
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