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Full evaluationGlossary · Updated Sep 2, 2026
Prompt
The instruction, question, or context you give an AI model to produce a response.
Definition
A prompt is the input to a generative model. It may contain instructions, examples, documents, constraints, and a desired format. Products wrap user prompts with hidden system prompts that set behaviour. Well-structured prompts that state the goal, audience, format, and constraints produce more consistent outputs.
Why it matters when choosing a tool
Prompt quality is the cheapest lever for better results in any AI tool; learning to write clear prompts often matters more than switching products.
Where you will meet it
AI Assistants, AI Writing & Editing
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