Back to Glossary

What is a Prompt?

AI Writing Terms

A prompt is the text instruction you give to an AI writing tool telling it what content to generate. The prompt can be as simple as "Write a blog post about SEO" or as detailed as a multi-paragraph content brief with specific requirements.

Prompt quality directly determines output quality. A vague prompt produces generic content. A detailed, well-structured prompt generates focused, useful text that requires less editing.

Why prompt matters

AI-generated content is only as good as the prompts that create it. Learning to write effective prompts is the skill that separates useful AI writing from useless garbage.

Poor prompts lead to generic output that sounds like every other AI post on the internet. Good prompts produce first drafts that capture your intended tone, structure, and key points, requiring editing rather than complete rewrites.

Basic Prompt Elements

What: Clearly state what you want created. "Blog post," "how-to guide," "listicle" - be specific about format.

Topic: Provide the subject and angle. Not just "SEO" but "how to optimize meta titles for higher click-through rates."

Audience: Specify who you're writing for. Content for beginners needs different depth and terminology than content for experts.

Length: State target word count. "800 words" or "1,500 words" helps the AI gauge appropriate depth and detail.

Advanced Prompting

Include structural requirements: how many H2 sections, whether to use lists, where to place the keyword. The more specific, the less reformatting you'll need.

Provide examples of tone or style. "Write in a conversational, direct tone like this example..." gives the AI a pattern to match.

Specify what to avoid. "Don't use phrases like 'delve into' or 'in conclusion'" helps prevent common AI writing patterns that make content feel generic.

Prompt Engineering

Prompt engineering is the practice of systematically improving prompts for better results. It involves testing variations, identifying what works, and refining your approach over time.

Save effective prompts as templates. If a prompt structure works well for how-to guides, reuse that structure for future how-to content rather than starting from scratch each time.

Common Mistakes

Prompts that are too short lack necessary context. "Write about blogging" gives the AI nothing to work with. You'll get generic content that requires complete rewriting.

Prompts that are too long and unfocused confuse the AI and dilute your main requirements. Focus on essential instructions rather than rambling expectations.

Vague quality requirements like "make it engaging" or "write naturally" rarely help. AI doesn't know what those mean in your context. Be specific about concrete elements you want included or avoided.

Put this knowledge into practice

PostGenius helps you write SEO-optimized blog posts with AI — applying concepts like this automatically.

PostGenius goes live this month

Drop your email below, and we'll send you a heads-up when it's ready — no spam, just the news. You'll also get your first month free.