Set up LangSmith

This section covers how to host and manage LangSmith infrastructure for observability, evaluation, and prompt engineering.

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

The self-hosted deployment option is available on the Enterprise plan. Get a demo to learn more.

Cloud

Fully managed observability, evaluation, and prompt engineering.

Get started

Self-hosted

(Enterprise) Full control with observability, evaluation, and prompt engineering in your infrastructure.

Run self-hosted

Comparison

Refer to the following table for a comparison:

Feature	Cloud	Self-Hosted
Infrastructure location	LangChain’s cloud	Your infrastructure
Who manages updates	LangChain	You
Can deploy agents?	✅ Yes	✅ Yes (with LangSmith Deployment enabled)
Observability data location	LangChain cloud	Your infrastructure
Pricing	Plus tier	Enterprise
Best for	Quick setup, managed infrastructure	Full control, data isolation

Related

• Plans and Pricing
• Observability

---

Connect these docs to Claude, VSCode, and more via MCP for real-time answers.

Edit this page on GitHub or file an issue.