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What causes LLM hallucinations? How do you detect and prevent them?

ML Concept: 5-7 minutes to answer

llm-engineeringhallucinationmust-know
Updated Dec 20, 2025

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Question

What causes LLM hallucinations? How do you detect and prevent them?

Hallucination prevention is critical for production LLM systems.

Expected time to answer: 5-7 minutes

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