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What is prompt engineering in ChatGPT?
Updated May 15, 2026
Short answer
Prompt engineering is the practice of designing inputs to guide ChatGPT’s output effectively.
Deep explanation
Prompt engineering involves structuring instructions, context, and constraints to optimize model responses. Since ChatGPT is probabilistic, small changes in prompts can significantly change outputs. Techniques include few-shot prompting, role assignment, and chain-of-thought prompting.
Real-world example
Developers use prompt engineering to build AI assistants for coding and writing.
Common mistakes
- Assuming longer prompts always produce better results.
Follow-up questions
- What is few-shot prompting?
- What is chain-of-thought prompting?