Detecting Hallucinations in Large Language Models with Text Similarity Metrics

In the world of LLMs, there is a phenomenon known as "hallucinations." These hallucinations are inaccurate or irrelevant responses to prompts. In this blog post, I'll go through hallucination detection, exploring various text similarity metrics and their applications. I'll dive into the details of each approach, and discuss their strengths and limitations. I'll dive into practical considerations and acknowledge the limitations of relying solely on automated metrics.

Text Similarity Metrics for Hallucination Detection

BLEU Score

The BLEU (Bilingual Evaluation Understudy) …

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