BirdNest Tech Talk

Oct 6, 2025 · Artificial Intelligence

How to Master Few-Shot Prompting with LangChain’s Example Selectors

The article explains why few-shot prompting benefits from dynamically selecting a small set of relevant examples, introduces LangChain’s ExampleSelector component, compares three selector strategies—LengthBased, SemanticSimilarity, and MaxMarginalRelevance—detailing their algorithms, advantages, drawbacks, and provides step-by-step Python code demonstrations for each.