claude-opus-4-5-fast API Docs — Claude via dreamtoai

claude-opus-4-5-fast

TextClaudeCluade Kiroclaude-opus-4-5-fast

Open Playground Manage API keys

Claude Opus 4.5 是面向高难度任务的高阶模型，适合复杂推理、深度研究、长文档分析、架构设计、关键代码实现和需要更强判断力的专业工作流。它更适合质量优先、成本敏感度较低的场景。

Authentication

Base URL: https://api.dreamtoai.com
Authorization: Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
Model name (model): claude-opus-4-5-fast

Integration protocol

Why choose this protocol

适合原本使用 Claude SDK 或 Anthropic Messages API 的用户直接迁移。

Endpoint URL

POST/v1/messages

Authorization: Bearer YOUR_API_KEYContent-Type: application/jsonanthropic-version: 2023-06-01

Request / response JSON

Request

{
  "model": "claude-opus-4-5-fast",
  "max_tokens": 4096,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "你好，世界"
        }
      ]
    }
  ]
}

Response

{
  "id": "msg_example",
  "type": "message",
  "role": "assistant",
  "model": "claude-opus-4-5-fast",
  "content": [
    {
      "type": "text",
      "text": "你好，世界"
    }
  ],
  "stop_reason": "end_turn",
  "usage": {
    "input_tokens": 8,
    "output_tokens": 16
  }
}

Request / response fields

Request fields

Field	Field type	Required
model	string	Y
max_tokens	integer	Y
messages	array	Y
messages[]	object	Y
messages[].role	string	Y
messages[].content	array	Y
messages[].content[]	object	Y
messages[].content[].type	string	Y
messages[].content[].text	string	Y

Response fields

Field	Field type	Required
id	string	N
model	string	N
choices[].message.content	string	N
usage.prompt_tokens	integer	N
usage.completion_tokens	integer	N
usage.total_tokens	integer	N

Code examples

cURLrequest.sh

curl -X POST "https://api.dreamtoai.com/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
  "model": "claude-opus-4-5-fast",
  "max_tokens": 4096,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "你好，世界"
        }
      ]
    }
  ]
}'