Hallucinations (AI)

Hallucinations refer to the phenomenon where an AI model generates convincing-sounding but factually incorrect information. Since LLMs are not fact databases but calculate probabilities, they can present inventions as true. Countermeasures include retrieval-augmented generation (RAG), source citations, and human oversight ("human in the loop").

Related Terms

• Large Language Model (LLM)
• Retrieval-Augmented Generation (RAG)

Sources: a16z AI Glossary · CNET AI Terms Glossary

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