LangSmith client SDKs for instrumenting LLM applications, logging traces, and running evaluations against datasets.
AI SDK Intelligence
LangSmith SDK
LangChain · LANGCHAIN_API_KEY / LangSmith key.
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Editorial overview
Capabilities
- Tracing helpers
- Evaluation runners
- Dataset management clients
Limitations
- Instrumentation setup required
- Costs/quotas for high-volume tracing
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