Handling Hallucinations
Explore how to identify hallucinations in language model responses by tracing unsupported claims through evidence chains. Learn to debug, mitigate, and prevent hallucinations using prompt constraints, retrieval improvements, and citation validation to ensure faithfulness and accuracy in production LLM applications.
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A user asks the grounded Q&A feature, What are the contract cancellation terms for plan Pro? The answer states that we can cancel anytime with a prorated refund within 30 days, and it cites Source 2. When we open Source 2, the chunk only lists billing dates and never mentions refunds.
That mismatch is a hallucination in operational terms, since the output contains a claim not supported by available evidence in the retrieved context. A retrieval miss looks different because the retrieved chunks do not contain the ...