# LangSmith

> LangChain’s platform for tracing, evaluating and managing prompts.

- Official site: https://www.langchain.com/langsmith
- Category: Prompt Management & Testing
- Pricing: Freemium
- Works with: Most LLM providers
- Tags: tracing, evals, langchain
- Listed on TellPrompt: https://tellprompt.com/tool/langsmith

## About

LangSmith adds tracing, datasets, evaluations and a prompt hub, with tight integration for apps built on LangChain and LangGraph.

The natural choice if your stack already uses LangChain.