LangSmith
LLM application observability and testing platform by LangChain for debugging chains and agents
FreemiumFree (5K traces/mo), Plus $39/seat/mo, Enterprise custom API web api
Visit LangSmithAbout LangSmith
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications. It provides detailed trace logging for chains and agents, dataset-driven evaluation, prompt playground, and monitoring dashboards. While it integrates best with LangChain, it works with any LLM application via the SDK.
Key Features
- Trace logging
- LLM evaluation
- Prompt playground
- Dataset management
- Monitoring dashboards
- Annotation queues
- Regression testing
Pros
- Best LangChain integration
- Detailed trace views
- Good evaluation framework
- Active development
Cons
- Best experience requires LangChain
- Free tier limited
- Can be complex
Tags
llm-observabilityevaluationdebugginglangchaintesting
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