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Why ChatGPT Sometimes Fails: Limitations

Understand hallucinations, bias, and other failure modes—so you know when to trust AI and when not to

Part of Understanding ChatGPT & Modern AI

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When Smart AI Makes Dumb Mistakes

Educational content slides

When Smart AI Makes Dumb Mistakes

ChatGPT can write code, explain physics, and help with homework—but it also:

  • Confidently states incorrect facts (hallucination)
  • Can't do basic math without making errors
  • Fails at simple logic puzzles
  • Generates biased or harmful content
  • "Forgets" things you mentioned earlier

Understanding these limitations helps you use AI effectively and know when not to trust it.

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Quiz: 3 Questions

Test your understanding with this quiz.

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You ask ChatGPT for citations for a research paper. It provides 5 academic sources with authors, titles, and journals. What should you do?

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Recognize and Navigate AI Limitations

Complete this exercise and get AI-powered feedback.

Recognize and Navigate AI Limitations

Understanding when and why AI fails makes you a smarter user.

Key skill: Spot hallucination signals, verify important claims, and know which tasks require human judgment.