LangChain - Evaluation and Testing
Which LangSmith evaluator type is best suited for checking if a text answer exactly matches a reference?
Which LangSmith evaluator type is best suited for checking if a text answer exactly matches a reference?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify evaluator types and their purposes
ExactMatchEvaluator checks if outputs exactly match references; SemanticSimilarityEvaluator checks meaning similarity; CodeExecutionEvaluator runs code; SentimentEvaluator checks sentiment.Step 2: Match exact text checking to evaluator
ExactMatchEvaluator is designed for exact text matches.Final Answer:
ExactMatchEvaluator -> Option CQuick Check:
Exact text match = ExactMatchEvaluator [OK]
Quick Trick: Exact matches use ExactMatchEvaluator, not similarity or sentiment [OK]
Common Mistakes:
MISTAKES- Choosing SemanticSimilarityEvaluator for exact matches
- Confusing evaluators that run code with text matchers
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