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All issuesVolume 326, Issue 1IT NewsAI

Why Does AI Hallucinate, And Can We Prevent It?

Search Enterprise AI, Monday, May 5th, 2025

Despite their sophistication, LLMs still often produce inaccurate or misleading output. Will these hallucinations ever go away for good?

You don't need to use generative AI for long before encountering one of its major weaknesses: hallucination.

Hallucinations occur when a large language model generates false or nonsensical information. With the current state of LLM technology, it doesn't appear possible to eliminate hallucinations entirely. However, certain strategies can reduce the risk of hallucinations and minimize their effects when they do occur.

To address the hallucination problem, start by understanding what causes LLMs to hallucinate, then learn practical techniques to mitigate those issues.

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