About the tool
Agent and LLM observability platform from the LangChain team.
LangSmith provides step-by-step tracing of agent execution with native support for LangChain, LangGraph, and OpenTelemetry. It includes offline and online evaluation with LLM-as-judge and code-based evaluators, plus dashboards for latency, cost, and response quality in production.
- Pricing
- Freemium
- Category
- Evals
- Maker
- Not publicly supplied
- Provenance
- Indexed by Attest from public information

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