Gemini Models Prompt Guide
When you write a prompt for Gemini, think in terms of P-T-C-F: Persona, Task, Context, Format.
1. Persona (the role you’re giving Gemini)
This is how you want Gemini to “think” or “act.”
Example: “You are a program manager in the healthcare industry…”
Why: Giving Gemini a role makes the output more tailored and realistic.
2. Task (the specific action you want)
Use a verb (summarize, draft, create, compare, rewrite).
Example: “Draft an executive summary email…”
Why: Clear actions produce more useful results.
3. Context (the background Gemini needs)
Tell Gemini why you’re asking and where the result will be used.
Example: “…for an upcoming board presentation based on @[Project Roadmap Doc].”
Why: Context ensures Gemini’s answer fits your actual need.
4. Format (how the output should look)
Define the structure: bullets, table, paragraph, JSON, slides.
Example: “Limit to 5 bullet points under 20 words each.”
Why: Format instructions prevent messy or overly long outputs.
Quick Tips
Use natural language. Write as if you’re talking to a colleague.
Be specific. More detail → better output.
Keep it concise. Average effective prompts are ~21 words.
Iterate. If the first result isn’t perfect, refine and add details.
Ground in your files. Use
@filenameto pull data directly from your Drive.Power prompts. In Gemini Advanced, start with: “Make this a power prompt: …” to let Gemini rewrite your prompt for clarity.
Review everything. Gemini can make mistakes — always check for clarity, accuracy, and tone before sharing
Ready-to-Use Templates
Task-Oriented
Persona: You are [role].
Task: [Verb + action, e.g., Summarize, Draft, Create].
Context: This will be used for [audience/use case]. Reference @[File] if needed.
Format: Return [bullets/table/paragraph/code] with [limits].
Example:
Persona: You are a project manager.
Task: Summarize this meeting transcript.
Context: This will go into an executive briefing. Focus on decisions and next steps.
Format: 5 bullet points, max 15 words each.
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