ChatUpstage

此笔记本介绍了如何开始使用 Upstage 聊天模型。

安装

安装langchain-upstage包。

pip install -U langchain-upstage

环境设置

确保设置以下环境变量：

• UPSTAGE_API_KEY：来自 Upstage 控制台的 Upstage API 密钥。

用法

import os

os.environ["UPSTAGE_API_KEY"] = "YOUR_API_KEY"

from langchain_core.prompts import ChatPromptTemplate
from langchain_upstage import ChatUpstage

chat = ChatUpstage()

API 参考：ChatPromptTemplate | ChatUpstage

# using chat invoke
chat.invoke("Hello, how are you?")

# using chat stream
for m in chat.stream("Hello, how are you?"):
    print(m)

链接

# using chain
prompt = ChatPromptTemplate.from_messages(
    [
        ("system", "You are a helpful assistant that translates English to French."),
        ("human", "Translate this sentence from English to French. {english_text}."),
    ]
)
chain = prompt | chat

chain.invoke({"english_text": "Hello, how are you?"})

相关

• 聊天模型概念指南
• 聊天模型操作指南