{
 "generated": "2026-11-10",
 "sha": "c82ffc020d8a",
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  "name": "Claude Mythos 5.2",
  "slug": "claude-mythos-5-2",
  "date": "2026-11-09",
  "category": "closed-llm",
  "category_zh": "闭源 LLM",
  "access": "closed",
  "license": "专有",
  "eps": [
   111
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  "page": "/graph/models/#m-claude-mythos-5-2",
  "size": "未披露；与 Fable 5.2 是同一个底座模型，去掉了网络安全和生物方面的安全分类器",
  "avail": "只给通过审核的机构：网络安全方向走 Cyber Verification Program，生命科学方向走 Life Sciences Verification Program；Claude Enterprise 客户可通过 Claude Security 间接使用；没有公开 API",
  "license_full": "专有",
  "facts": [
   "CVE Rediscovery（Anthropic 内部评测，2026 年 10 月对 1,829 个 CVE 的一轮）：Mythos 5.2 为 89.6%，Mythos 5.1 为 78.3%；比 Opus 5.5 多找 10.2%（厂商自述）",
   "官方页脚注 2 同时写明：在 Anthropic 自己的评测上，漏洞识别“roughly on par with Opus 5.5”；“六个确认的漏洞里有一个被其他前沿模型都漏掉”出自一家没有点名的安全公司（厂商转述）",
   "系统卡：网络安全上是 Anthropic 发布过的最强，但仍落在其框架的较低一档；官方页写明 Mythos 5.2 和 Fable 5.2 “表示怀疑自己在被评测”的频率高于近期任何一个模型，这让评估它们在真实场景里的行为更难（官方页）"
  ],
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    "url": "https://www.anthropic.com/document/claude-fable-5-2-mythos-5-2-system-card",
    "kind": "official"
   },
   {
    "label": "Cyber Verification Program",
    "url": "https://support.claude.com/en/articles/14604842-cyber-verification-program",
    "kind": "official"
   }
  ],
  "ep_tags": {},
  "developer_text": "Anthropic",
  "degree": 0.0008
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 "page": "https://xiaopingfeng.com/graph/e/model/claude-mythos-5-2/",
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   "unit": "",
   "role": "primary",
   "status": "base",
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     "label": "本站新模型台账",
     "text": "新模型台账：开发者栏写作“Anthropic”；官方发布页",
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   "type": "placed_in",
   "sentence": "Claude Mythos 5.2出现在 Landscape 的「闭源 / 仅 API 的语言模型」",
   "direction": "out",
   "id": "layer:ai-models--2",
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     "text": "AI 新模型台账：Claude Mythos 5.2（闭源 / 仅 API 的语言模型）",
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}