LangSmith
Tracing, evaluation, and monitoring platform for LLM applications, from the LangChain team.
MLOps Intermediate
Category
MLOps
Difficulty
Intermediate
When to use
Debugging, evaluating, and monitoring LLM chains or agents in dev and production — especially if you're already on LangChain/LangGraph.
When not to use
Your LLM calls are simple and direct — OpenTelemetry + a basic log sink is enough.
Alternatives
LangFuse Arize Phoenix Weights & Biases Prompts Helicone