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Documentation Index

Fetch the complete documentation index at: https://docs.langchain.com/llms.txt

Use this file to discover all available pages before exploring further.

This section covers how to host and manage LangSmith infrastructure. You can set up LangSmith for observability, evaluation, and prompt engineering, or use the full platform experience with LangSmith Deployment to also deploy and manage your applications through the UI.
Start here if you’re setting up or maintaining LangSmith infrastructure.If you want to deploy an agent application, the Agent deployment section covers application structure and deployment configuration.

Choose how to set up LangSmith

You can deploy LangSmith in one of two modes:
  • Cloud: fully managed by LangChain
  • Self-hosted: you manage the full stack within your infrastructure
Self-hosted deployment is available on Enterprise plan. Get a demo to learn more.

Cloud

Fully managed observability, evaluation, prompt engineering, and application deployment. Deploy from GitHub with automated CI/CD.

Self-hosted

(Enterprise) Full control with observability, evaluation, and prompt engineering. Enable the full platform experience with LangSmith Deployment or run standalone servers.

Comparison

Refer to the following table for a comparison:
FeatureCloudSelf-Hosted
Infrastructure locationLangChain’s cloudYour cloud
Who manages updatesLangChainYou
Who manages CI/CD for your appsLangChainYou
Can deploy applications?✅ Yes✅ Yes (with LangSmith Deployment enabled)
Observability data locationLangChain cloudYour cloud
PricingPlus tierEnterprise
Best forQuick setup, managed infrastructureFull control, data isolation
You can run an Agent Server locally for testing and development.