{
 "generated": "2026-11-01",
 "node": {
  "id": "org:letta",
  "type": "Organization",
  "name": "Letta",
  "org_type": "Developer",
  "kind": "lab",
  "profile": "/live/neolab/letta.html",
  "series": "neolab",
  "neolab": "/live/neolab/letta.html",
  "entry": "base",
  "focus": "MemGPT / Agent 记忆 OS",
  "hq": "San Francisco",
  "funding": "$10M Seed",
  "status": "活跃",
  "nl_num": 13,
  "direction": "agent",
  "direction_zh": "Agent 基建",
  "tagline": "前身 MemGPT，把操作系统的内存管理搬进 LLM，做 Agent 的长期记忆。",
  "founded": "2024",
  "founded_precision": "year",
  "voice_date": "2026-10",
  "voice_channel": "research",
  "voice_title": "FrontierMemory 1.0",
  "voice_url": "https://www.frontiermemory.com/blog/v1/",
  "landscape": [
   {
    "map": "agent-dev-stack",
    "map_title": "Agent 开发栈",
    "card": "player-letta",
    "title": "Letta",
    "layer": "记忆与 上下文管理",
    "layer_id": "layer:agent-dev-stack--4",
    "role": "primary"
   }
  ],
  "landscape_maps": [
   "agent-dev-stack"
  ],
  "landscape_n": 1,
  "degree": 0.0011,
  "n_apps": 0,
  "n_models": 0
 },
 "page": "https://xiaopingfeng.com/graph/e/org/letta/",
 "out": [
  {
   "type": "placed_in",
   "sentence": "Letta出现在 Landscape 的「记忆与上下文管理」",
   "direction": "out",
   "id": "layer:agent-dev-stack--4",
   "name": "记忆与上下文管理",
   "reported": false,
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "Landscape「Agent 开发栈」第 04 层「记忆与上下文管理」：卡片「Letta」",
     "url": "https://xiaopingfeng.com/landscape/agent-dev-stack/#player-letta"
    }
   ]
  }
 ],
 "in": [
  {
   "type": "invested_in",
   "sentence": "Felicis投资Letta",
   "direction": "in",
   "id": "org:felicis",
   "name": "Felicis",
   "since": "2024",
   "note": "1000 万美元种子轮领投（Jeff Dean 个人天使参投）",
   "status": "agent",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №13 档案（§ 01 是什么）：1000 万美元种子轮领投（Jeff Dean 个人天使参投）",
     "url": "https://xiaopingfeng.com/live/neolab/letta.html"
    }
   ]
  }
 ]
}