{
 "generated": "2026-11-06",
 "sha": "38139a88e98b",
 "node": {
  "id": "model:swe-2-flash",
  "type": "Model",
  "in_eps": [
   110
  ],
  "name": "SWE-2 Flash",
  "slug": "swe-2-flash",
  "date": "2026-11-04",
  "category": "closed-llm",
  "category_zh": "闭源 LLM",
  "access": "closed",
  "eps": [
   110
  ],
  "page": "/graph/models/#m-swe-2-flash",
  "size": "编码模型，276B 总参数 / 12B 激活（MoE）：在 Thinking Machines 的 Inkling-Small 上先加一段大规模中训练（几万亿 token 的论文、博客、代码等，分三阶段），再做大规模强化学习；上下文长度博客没写",
  "avail": "只在 Cognition 自家产品里用：Devin Desktop 和 CLI，11-30 前免费；博客写价格是 SWE-2 的五分之一、速度 3 倍（200 对 60 token/秒），具体单价没写。权重暂不公开，博客写正在建一个向可信的业界伙伴和研究机构安全共享权重的计划，“几周后”再说",
  "license_full": "未公布（权重未放出）",
  "facts": [
   "基座对比（厂商自述）：Terminal-Bench 4.0 从 Inkling-Small 的 0.9% 到 20.0%，FrontierCode 2.0 从 3.2% 到 24.0%；博客称在主流评测上超过所有美国开放权重模型，包括大它三倍的",
   "不放权重的理由是网络安全：ExploitBench 从 11.3% 涨到 34.8%，博客写这些能力也可能被攻击者利用（厂商自述）",
   "第一次在配方里把中训练放在强化学习之前（博客原话 “For the first time”）"
  ],
  "sources": [
   {
    "label": "官方博客",
    "url": "https://cognition.com/blog/swe-2-flash",
    "kind": "official"
   },
   {
    "label": "官方发布帖（X）",
    "url": "https://x.com/cognition/status/2118069614521241739",
    "kind": "official"
   }
  ],
  "ep_tags": {
   "110": "官方博客署 2026.11.04"
  },
  "developer_text": "Cognition",
  "degree": 0.0017
 },
 "page": "https://xiaopingfeng.com/graph/e/model/swe-2-flash/",
 "out": [
  {
   "type": "developed_by",
   "sentence": "SWE-2 Flash的开发方是Cognition",
   "direction": "out",
   "id": "org:cognition",
   "name": "Cognition",
   "unit": "",
   "role": "primary",
   "status": "base",
   "evidence": [
    {
     "kind": "ledger",
     "label": "本站新模型台账",
     "text": "新模型台账：开发者栏写作“Cognition”；官方博客",
     "url": "https://cognition.com/blog/swe-2-flash"
    }
   ]
  },
  {
   "type": "based_on",
   "sentence": "SWE-2 Flash基于Inkling-Small",
   "direction": "out",
   "id": "model:inkling-small",
   "name": "Inkling-Small",
   "since": "2026-11-04",
   "note": "在 Inkling-Small 上加中训练再做强化学习",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "Cognition 博客：SWE-2 Flash 在 Thinking Machines 的 Inkling-Small（276B 总参数、12B 激活）上做大规模中训练，再做强化学习",
     "url": "https://cognition.com/blog/swe-2-flash"
    }
   ]
  },
  {
   "type": "placed_in",
   "sentence": "SWE-2 Flash出现在 Landscape 的「闭源 / 仅 API 的语言模型」",
   "direction": "out",
   "id": "layer:ai-models--2",
   "name": "闭源 / 仅 API 的语言模型",
   "status": "derived",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "AI 新模型台账：SWE-2 Flash（闭源 / 仅 API 的语言模型）",
     "url": "https://xiaopingfeng.com/graph/models/#m-swe-2-flash"
    }
   ]
  }
 ],
 "in": []
}