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Reasoning

本文档只收录 已在 Crazyrouter 生产环境实际请求验证成功 的 Reasoning / Thinking 用法。 验证时间:
  • 2026-03-22
已验证模型:
  • gpt-5.4
  • claude-opus-4-6-thinking
  • gemini-3-pro-preview

已验证能力矩阵

模型协议端点成功标志
gpt-5.4OpenAI ResponsesPOST /v1/responsesoutput 中出现 reasoning item
claude-opus-4-6-thinkingAnthropic MessagesPOST /v1/messages返回 thinking block
gemini-3-pro-previewGemini NativePOST /v1beta/models/{model}:generateContentusageMetadata 中出现 thoughtsTokenCount

GPT-5.4

cURL
curl https://crazyrouter.com/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-5.4",
    "input": "Which is larger, 9.11 or 9.9? Explain briefly.",
    "reasoning": {
      "effort": "high",
      "summary": "detailed"
    }
  }'
生产验证返回的关键 output.type
["reasoning", "message"]
其中 reasoning item 的关键字段包括:
{
  "type": "reasoning",
  "summary": [
    {
      "type": "summary_text",
      "text": "..."
    }
  ]
}
说明在 Crazyrouter 当前生产环境里,gpt-5.4 的推理能力应以 Responses API 的 reasoning item 为准,而不是依赖 Chat Completions 的 reasoning_content

Claude Opus 4.6 Thinking

cURL
curl https://crazyrouter.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "claude-opus-4-6-thinking",
    "max_tokens": 320,
    "thinking": {
      "type": "enabled",
      "budget_tokens": 128
    },
    "messages": [
      {
        "role": "user",
        "content": "Which is larger, 9.11 or 9.9? Explain briefly."
      }
    ]
  }'
生产验证返回的关键字段:
{
  "content": [
    {
      "type": "thinking",
      "thinking": "..."
    },
    {
      "type": "text",
      "text": "..."
    }
  ]
}
注意:
  • claude-opus-4-6 基础模型在同日测试中只返回普通 text
  • claude-opus-4-6-thinking 才验证到明确的 thinking block
因此文档应优先使用 claude-opus-4-6-thinking 作为 Claude 4.6 推理示例。

Gemini 3 Pro Preview

cURL
curl "https://crazyrouter.com/v1beta/models/gemini-3-pro-preview:generateContent?key=YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [
      {
        "role": "user",
        "parts": [
          {
            "text": "Which is larger, 9.11 or 9.9? Explain briefly."
          }
        ]
      }
    ],
    "generationConfig": {
      "thinkingConfig": {
        "thinkingBudget": 256
      },
      "maxOutputTokens": 512
    }
  }'
生产验证返回的关键字段:
  • usageMetadata.thoughtsTokenCount
这说明在当前生产环境中,gemini-3-pro-preview 的 thinking 模式已实际生效。

当前不写入主结论的组合

  • gpt-5.4 的 Chat Completions 路由在本轮复核中未稳定返回 reasoning_content,因此本页不再把它作为 GPT 主示例
  • claude-opus-4-6 基础模型未在本轮验证中返回 thinking block
  • claude-sonnet-4-6 未发现同等明确的 thinking 变体模型

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