Tracing, evaluation, and monitoring platform from the LangChain team.
Category: Observability & Infra · Type: LLM observability & eval · Website: https://www.langchain.com/langsmith
Overview
LangSmith provides end-to-end tracing, dataset-based evaluation, prompt management, and production monitoring for LLM apps and agents. It works with LangGraph/LangChain and any framework via SDK.
Key Features
- Detailed agent/LLM run tracing
- Evals, datasets, and experiments
- Prompt management and playground
- Production monitoring and dashboards
Role in the Agentic AI Stack
The observability companion to LangGraph; competes with Langfuse for agent tracing/eval.
Part of Agentic AI Landscape → Observability & Infra