{
  "description": "xAI Grok 系列模型规格。参数来源：config-center compute/providers/xai.json。Grok 网关命名变体较多（含日期戳/-fast/-reasoning 后缀），主要依赖 family=grok-4 兜底匹配。",
  "specs": [
    {
      "id": "grok-4.5",
      "displayName": "Grok 4.5",
      "family": "grok-4.5",
      "match": {
        "exact": [
          "grok-4.5"
        ]
      },
      "spec": {
        "contextWindow": 500000,
        "maxOutputTokens": 450000,
        "capabilities": [
          "chat",
          "reasoning",
          "code",
          "vision",
          "long_context",
          "tool_use"
        ],
        "serviceType": [
          "chat",
          "reasoning"
        ],
        "supportsReasoning": true,
        "description": "xAI Grok 4.5，面向编程、知识工作和 STEM 的旗舰推理模型",
        "extra": {
          "thinkingOnly": true,
          "thinkingDefault": true
        },
        "releasedAt": "2026-07-08"
      }
    },
    {
      "id": "grok-4-3",
      "displayName": "Grok 4.3",
      "family": "grok-4",
      "match": {
        "exact": [
          "grok-4.3"
        ],
        "patterns": [
          "grok-4.3*"
        ]
      },
      "spec": {
        "contextWindow": 1000000,
        "capabilities": [
          "reasoning",
          "code",
          "vision",
          "tool_use",
          "long_context"
        ],
        "serviceType": [
          "chat"
        ],
        "supportsReasoning": true,
        "description": "xAI Grok 4.3 推理模型，100 万上下文"
      }
    },
    {
      "id": "grok-4-1-fast-reasoning",
      "displayName": "Grok 4.1 Fast",
      "family": "grok-4",
      "spec": {
        "contextWindow": 2000000,
        "maxOutputTokens": 16384,
        "capabilities": [
          "chat",
          "reasoning",
          "code",
          "vision",
          "tool_use",
          "fast",
          "long_context"
        ],
        "serviceType": [
          "chat",
          "reasoning"
        ],
        "defaultTemperature": 1,
        "supportsReasoning": true
      }
    },
    {
      "id": "grok-4.20-0309-reasoning",
      "displayName": "Grok 4.20",
      "family": "grok-4",
      "spec": {
        "contextWindow": 2000000,
        "maxOutputTokens": 16384,
        "capabilities": [
          "chat",
          "reasoning",
          "code",
          "vision",
          "tool_use"
        ],
        "serviceType": [
          "chat",
          "reasoning"
        ],
        "defaultTemperature": 1,
        "supportsReasoning": true
      }
    }
  ]
}