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
Deploy LangSmith in one of two modes:Cloud
Fully managed observability, evaluation, and prompt engineering.
Self-hosted
(Enterprise) Full control with observability, evaluation, and prompt engineering in your infrastructure.
Self-hosted is available on the Enterprise plan. Get a demo to learn more.
Compare Cloud and Self-hosted
| 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 |
To self-host Agent Servers for LangSmith Deployment (which deploys and runs agents in production), refer to the Hybrid page—a platform setup option that runs Agent Servers in your infrastructure while sending traces to either Cloud or Self-hosted LangSmith.
Related
Account setup
Create an account, manage API keys, and choose a pricing tier.
Plans and pricing
Compare LangSmith plans and tiers.
Observability
Trace and monitor your LLM applications.
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