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Evaluation concepts - Docs by LangChain
LangSmith Evaluation Concepts provides a comprehensive framework for measuring LLM application quality through offline (pre-deployment) and online (production monitoring) evaluations. The document covers evaluation lifecycle stages, core targets such as datasets and examples, and strategies for continuous improvement through iterative feedback loops.
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Summary
LangSmith Evaluation Concepts provides a comprehensive framework for measuring LLM application quality through offline (pre-deployment) and online (production monitoring) evaluations. The document covers evaluation lifecycle stages, core targets such as datasets and examples, and strategies for continuous improvement through iterative feedback loops.
Tags
llm-evaluation · langsmith · offline-evaluation · online-evaluation · quality-monitoring · regression-testing · rag
Key entities
LangSmith (technology, 0.99) · Offline Evaluation (concept, 0.95) · Online Evaluation (concept, 0.95) · RAG (concept, 0.85) · Evaluation Lifecycle (concept, 0.9) · Regression Testing (concept, 0.8) · Anomaly Detection (concept, 0.75) · LLM (technology, 0.95)
Classification
reference · language en · status final
Provenance
claude-opus-4-6 via @stacklist/mcp-server@2.0.0, confidence 0.85, 2 Jul 2026