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LangChain and LlamaIndex Packsby langchain-ai

LangSmith SDK

Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.

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9.1/ 10
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Description

LangSmith SDK is the official client for LangSmith, LangChain's observability and evaluation platform. It captures traces from any LLM or agent framework, runs evaluations against datasets, and powers production monitoring with dashboards and alerts.

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Install

Install via LangChain pack

pip install langchain-ai-langsmith-sdk

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Last updated May 22, 2026License: MIT

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