DeepSeek V4.1 Flash

DeepSeek· deepseek-flash

Official APIChinaVersion 1

Writing, coding, and reasoning through the original chat API.

Writing & chatCoding

Add to comparison

API channel & regionChanging the channel loads its own configuration

API BASE URLhttps://api.deepseek.com

Actual API model IDdeepseek-flash

Request method / pathPOST /chat/completions

AuthenticationAuthorization: Bearer $API_KEY

Task content (optional)

Edit request parameters

Edit JSON within the verified parameter ranges. Copy and export stop if types, required fields, or enum values are invalid.

Request JSON

# 先在当前终端设置环境变量：API_KEY
# 下面只创建请求文件，不执行文本中的任何命令。
cat > request.json <<'MODEL_ATLAS_REQUEST'
{
  "model": "deepseek-flash",
  "stream": false,
  "messages": [
    {
      "role": "user",
      "content": "请用中文介绍你可以帮助我完成哪些任务。"
    }
  ]
}
MODEL_ATLAS_REQUEST

# 替换 request.json 内的用户占位符后再运行请求。
curl --fail-with-body --request POST "https://api.deepseek.com/chat/completions" \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer ${API_KEY}" \
  --data-binary @request.json