Chat（構造化出力）

POST

/chat/completions

この例は、gpt-4oモデルを使用して構造化出力を行う方法を示しています。
チャットモデルは一連のメッセージを入力として受け取り、モデルが生成したメッセージを出力として返します。チャット形式は複数回のやり取りを容易にするために設計されていますが、会話のない単一のタスクにも同様に有用です。

価格表：https://302.ai/price

Request

Header Params

Body Params application/json

Example

{
  "model": "gpt-4o-2024-08-06",
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful math tutor. Guide the user through the solution step by step."
    },
    {
      "role": "user",
      "content": "9.11と9.8はどちらが大きいですか"
    }
  ],
  "response_format": {
    "type": "json_schema",
    "json_schema": {
      "name": "math_reasoning",
      "schema": {
        "type": "object",
        "properties": {
          "steps": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "explanation": {
                  "type": "string"
                },
                "output": {
                  "type": "string"
                }
              },
              "required": [
                "explanation",
                "output"
              ],
              "additionalProperties": false
            }
          },
          "final_answer": {
            "type": "string"
          }
        },
        "required": [
          "steps",
          "final_answer"
        ],
        "additionalProperties": false
      },
      "strict": true
    }
  }
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
  "model": "gpt-4o-2024-08-06",
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful math tutor. Guide the user through the solution step by step."
    },
    {
      "role": "user",
      "content": "9.11と9.8はどちらが大きいですか"
    }
  ],
  "response_format": {
    "type": "json_schema",
    "json_schema": {
      "name": "math_reasoning",
      "schema": {
        "type": "object",
        "properties": {
          "steps": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "explanation": {
                  "type": "string"
                },
                "output": {
                  "type": "string"
                }
              },
              "required": [
                "explanation",
                "output"
              ],
              "additionalProperties": false
            }
          },
          "final_answer": {
            "type": "string"
          }
        },
        "required": [
          "steps",
          "final_answer"
        ],
        "additionalProperties": false
      },
      "strict": true
    }
  }
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "chatcmpl-Cx506bj0U5Pan93eNMFl5gHkB5kp9",
    "model": "gpt-4o-2024-08-06",
    "object": "chat.completion",
    "choices": [
        {
            "delta": {
                "role": "assistant",
                "content": "{\"final_answer\":\"9.8\",\"steps\":[{\"explanation\":\"Start by comparing the integer parts of the two numbers.\",\"output\":\"Both numbers, 9.11 and 9.8, have the integer part 9.\"},{\"explanation\":\"Both numbers have the same integer part, so we proceed to compare the decimal parts.\",\"output\":\"Compare 0.11 and 0.8.\"},{\"explanation\":\"Convert both decimal parts to a common form for easier comparison: 0.11 is equal to 0.110 when expressed with three decimal places; 0.8 is equal to 0.800.\",\"output\":\"0.800 is greater than 0.110.\"},{\"explanation\":\"Determine which original number corresponds to the larger decimal value.\",\"output\":\"Since 0.8 > 0.11, it follows that 9.8 > 9.11.\"}]}"
            },
            "message": {
                "role": "assistant",
                "content": "{\"final_answer\":\"9.8\",\"steps\":[{\"explanation\":\"Start by comparing the integer parts of the two numbers.\",\"output\":\"Both numbers, 9.11 and 9.8, have the integer part 9.\"},{\"explanation\":\"Both numbers have the same integer part, so we proceed to compare the decimal parts.\",\"output\":\"Compare 0.11 and 0.8.\"},{\"explanation\":\"Convert both decimal parts to a common form for easier comparison: 0.11 is equal to 0.110 when expressed with three decimal places; 0.8 is equal to 0.800.\",\"output\":\"0.800 is greater than 0.110.\"},{\"explanation\":\"Determine which original number corresponds to the larger decimal value.\",\"output\":\"Since 0.8 > 0.11, it follows that 9.8 > 9.11.\"}]}"
            },
            "index": 0,
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 103,
        "completion_tokens": 184,
        "total_tokens": 287,
        "prompt_tokens_details": {
            "cached_tokens": 0,
            "audio_tokens": 0
        },
        "completion_tokens_details": {
            "accepted_prediction_tokens": 0,
            "audio_tokens": 0,
            "reasoning_tokens": 0,
            "rejected_prediction_tokens": 0
        }
    },
    "created": 1768196610,
    "system_fingerprint": "fp_4a331a0222"
}

Modified at 2026-01-12 05:43:49

Chat（画像分析）

Chat（関数呼び出し）