Tencent: hy4-preview

关于 hy4-preview

Tencent Hunyuan Hy4 preview——开放权重、纯文本的 770B 参数 MoE 模型，每个 token 激活 49B 主干参数，原生带有 10B 的 MTP 层，1M 上下文，支持保留式推理、结构化输出、函数调用和提示词缓存。

快速开始

可直接复制的 API 请求

curl -X POST https://api.chinaapi.ai/v1/chat/completions \
  -H "Authorization: Bearer $CHINAAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "hy4-preview",
    "messages": [
      {"role": "user", "content": "Summarize the main tradeoffs for this API workload."}
    ]
  }'

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["CHINAAPI_API_KEY"],
    base_url="https://api.chinaapi.ai/v1",
)

response = client.chat.completions.create(
    model="hy4-preview",
    messages=[
        {"role": "user", "content": "Summarize the main tradeoffs for this API workload."}
    ],
)
print(response.choices[0].message.content)