Hallucination in LLMs: What It Is and Why It Happens

What exactly is hallucination in large language models, and why does it happen? This video dives into one of the most significant challenges in deploying AI models in real-world applications: hallucination. We'll cover: 1️⃣ Definition of Hallucination – Learn how hallucination occurs and its four main types: contextual contradiction, mismatches with prompts, factual inaccuracies, and nonsensical outputs. 2️⃣ Causes of Hallucination – Explore the root causes, including data quality issues, training challenges, the text generation process, prompt engineering, and fine-tuning limitations. 3️⃣ Wh…