{
  "description": "Stealth 系列模型规格。参数来源：OpenRouter Models API。这些是厂商匿名发布的临时别名，揭晓后用 spec.extra.modelOrigin 标注真身，条目本身保留——云端算力可能仍以旧别名下发该模型。",
  "specs": [
    {
      "id": "ox-alpha",
      "displayName": "GLM-5.3-Flash (Ox Alpha)",
      "family": "ox-alpha",
      "match": {
        "exact": [
          "ox-alpha",
          "stealth/ox-alpha"
        ]
      },
      "spec": {
        "contextWindow": 1048576,
        "maxOutputTokens": 131072,
        "capabilities": [
          "chat",
          "reasoning",
          "deep_thinking",
          "code",
          "tool_use",
          "agent",
          "long_context",
          "vision",
          "image_understanding",
          "video_understanding"
        ],
        "serviceType": [
          "chat",
          "reasoning",
          "vision"
        ],
        "defaultTemperature": 1,
        "defaultTopP": 0.95,
        "supportsReasoning": true,
        "description": "Ox Alpha 是智谱 GLM-5.3-Flash 的匿名发布别名（2026-08-26 揭晓）。原生多模态推理模型，面向高效编码与长程 Agent 任务，100 万上下文；强制思考，无法关闭",
        "extra": {
          "thinkingDefault": true,
          "thinkingOnly": true,
          "modelOrigin": {
            "vendor": "zhipu",
            "canonicalModelId": "glm-5.3-flash",
            "family": "glm-5.3-flash"
          }
        },
        "releasedAt": "2026-08-21"
      }
    }
  ]
}