LLMonitor
LLMonitor 是一个开源可观测性平台,提供成本和使用量分析、用户追踪、追踪和评估工具。
设置
在 llmonitor.com 上创建账户,然后复制您新应用的 tracking id。
一旦获取到它,请通过运行以下命令将其设置为环境变量:
export LLMONITOR_APP_ID="..."
如果您不愿意设置环境变量,可以在初始化回调处理器时直接传入密钥:
from langchain_community.callbacks.llmonitor_callback import LLMonitorCallbackHandler
handler = LLMonitorCallbackHandler(app_id="...")
API 参考:LLMonitor回调处理器
使用LLM/聊天模型
from langchain_openai import OpenAI
from langchain_openai import ChatOpenAI
handler = LLMonitorCallbackHandler()
llm = OpenAI(
callbacks=[handler],
)
chat = ChatOpenAI(callbacks=[handler])
llm("Tell me a joke")
API 参考:OpenAI |ChatOpenAI
使用链和代理
确保将回调处理器传递给 run 方法,以便正确跟踪所有相关链和大语言模型调用。
建议在元数据中传入 agent_name,以便能够在仪表板中区分不同的智能体。
示例:
from langchain_openai import ChatOpenAI
from langchain_community.callbacks.llmonitor_callback import LLMonitorCallbackHandler
from langchain_core.messages import SystemMessage, HumanMessage
from langchain.agents import OpenAIFunctionsAgent, AgentExecutor, tool
llm = ChatOpenAI(temperature=0)
handler = LLMonitorCallbackHandler()
@tool
def get_word_length(word: str) -> int:
"""Returns the length of a word."""
return len(word)
tools = [get_word_length]
prompt = OpenAIFunctionsAgent.create_prompt(
system_message=SystemMessage(
content="You are very powerful assistant, but bad at calculating lengths of words."
)
)
agent = OpenAIFunctionsAgent(llm=llm, tools=tools, prompt=prompt, verbose=True)
agent_executor = AgentExecutor(
agent=agent, tools=tools, verbose=True, metadata={"agent_name": "WordCount"} # <- recommended, assign a custom name
)
agent_executor.run("how many letters in the word educa?", callbacks=[handler])
另一个例子:
from langchain.agents import load_tools, initialize_agent, AgentType
from langchain_openai import OpenAI
from langchain_community.callbacks.llmonitor_callback import LLMonitorCallbackHandler
handler = LLMonitorCallbackHandler()
llm = OpenAI(temperature=0)
tools = load_tools(["serpapi", "llm-math"], llm=llm)
agent = initialize_agent(tools, llm, agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION, metadata={ "agent_name": "GirlfriendAgeFinder" }) # <- recommended, assign a custom name
agent.run(
"Who is Leo DiCaprio's girlfriend? What is her current age raised to the 0.43 power?",
callbacks=[handler],
)
用户跟踪
用户跟踪使您能够识别您的用户,跟踪他们的成本、对话等。
from langchain_community.callbacks.llmonitor_callback import LLMonitorCallbackHandler, identify
with identify("user-123"):
llm.invoke("Tell me a joke")
with identify("user-456", user_props={"email": "user456@test.com"}):
agent.run("Who is Leo DiCaprio's girlfriend?")
API 参考:LLMonitorCallbackHandler | 识别