LangSmith
Platform for observing, evaluating, and deploying ai agents and LLM applications.
- ai agent framework
- Analyze data
- ai agent platforms
Overview
LangSmith is a framework-agnostic platform for developing and operating ai agents and LLM applications. It traces agent steps, tool calls, costs, latency, and errors, then supports datasets, offline and online evaluations, regression tests, alerts, and dashboards. LangSmith Deployment runs durable agents with persistent state, background execution, and human-in-the-loop workflows.
Key features
- Agent and LLM tracing
- Online and offline evaluations
- Datasets and regression testing
- Dashboards and alerts
- Durable agent deployment
- Persistent state and background execution
- Human-in-the-loop workflows
Use cases
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Alternatives
Last updated 2026-09-16