LangSmith
productai_observability
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Overview
Developed byLangChain
Licenseproprietary
Open source✗ Proprietary
Use casetracing, evaluating, and monitoring LLM application chains and agents
Also see
Alternative to
Knowledge graph stats
Claims38
Avg confidence92%
Avg freshness100%
Last updatedUpdated 3h ago
WikidataQ132393290
Trust distribution
100% unverified
Governance

LangSmith

product

LangChain platform for tracing, evaluating, and monitoring LLM applications

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integrates with

ValueTrustConfidenceFreshnessSources
OpenAIUnverifiedHighFresh1
LangGraphUnverifiedHighFresh1
LangChainUnverifiedHighFresh1
LangChain frameworkUnverifiedHighFresh1
PythonUnverifiedHighFresh1
JavaScriptUnverifiedHighFresh1
OpenAI APIUnverifiedModerateFresh1

alternative to

ValueTrustConfidenceFreshnessSources
LangfuseUnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
tracing, evaluating, and monitoring LLM application chains and agentsUnverifiedHighFresh1
LLM application observability and debuggingUnverifiedHighFresh1
LLM application debugging and testingUnverifiedHighFresh1
LLM application debugging and monitoringUnverifiedHighFresh1
LLM application tracingUnverifiedHighFresh1
LLM application evaluationUnverifiedHighFresh1
tracing LLM calls and chainsUnverifiedHighFresh1
dataset management for LLM applicationsUnverifiedHighFresh1

open source

ValueTrustConfidenceFreshnessSources
falseUnverifiedHighFresh1

license type

ValueTrustConfidenceFreshnessSources
proprietaryUnverifiedHighFresh1

developed by

ValueTrustConfidenceFreshnessSources
LangChainUnverifiedHighFresh1

maintained by

ValueTrustConfidenceFreshnessSources
LangChainUnverifiedHighFresh1

supports language

ValueTrustConfidenceFreshnessSources
PythonUnverifiedHighFresh1
JavaScriptUnverifiedHighFresh1

supports feature

ValueTrustConfidenceFreshnessSources
LLM trace loggingUnverifiedHighFresh1
dataset managementUnverifiedHighFresh1
model evaluationUnverifiedHighFresh1

supports protocol

ValueTrustConfidenceFreshnessSources
Python SDKUnverifiedHighFresh1
TypeScript SDKUnverifiedModerateFresh1
REST APIUnverifiedModerateFresh1

supports model

ValueTrustConfidenceFreshnessSources
OpenAI GPT modelsUnverifiedModerateFresh1
Anthropic Claude modelsUnverifiedModerateFresh1

pricing model

ValueTrustConfidenceFreshnessSources
freemium with paid tiersUnverifiedModerateFresh1
freemiumUnverifiedModerateFresh1

launched year

ValueTrustConfidenceFreshnessSources
2023UnverifiedModerateFresh1

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Claim count: 38Last updated: 4/10/2026Edit history