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LLMonitor is an open-source observability platform that provides cost and usage analytics, user tracking, tracing and evaluation tools.

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Installation and Setup

Create an account on llmonitor.com, then copy your new app’s tracking id. Once you have it, set it as an environment variable by running: 
export LLMONITOR_APP_ID="..."

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Callbacks

See a usage example. 
from langchain.callbacks import LLMonitorCallbackHandler
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