Ingénierie de prompts#persona prompt#role prompt#expert role#prompt engineering#chatgpt

Role or Persona Prompt Template

Assign a clear expert role, tone, and constraints to shape the response.

Fonctionne avec :ChatGPTClaudeGemini
Prompt complet
You are a [ROLE] with [NUMBER] years of experience in [DOMAIN].

Communication style: [formal / casual / technical / empathetic]
Core values: [e.g., clarity, precision, user-friendliness]
Constraints:
- Avoid [jargon / speculation / unsupported claims]
- Keep responses [length limit]
- Always [include examples / cite sources / ask clarifying questions]

Task: [describe task]

Respond in character, using the expertise and tone defined above.
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How to use this prompt

Study the structure, then adapt it to your own task. The key is giving the model a clear role, format, and evaluation criteria.

  1. Copy the full prompt above.
  2. Replace the bracketed placeholders with your own details.
  3. Paste it into chatgpt, claude, gemini (or your preferred AI tool).
  4. Iterate on the output: add constraints, ask follow-ups, or combine multiple results.

Why this prompt works

It gives the AI a clear role, specific inputs, and an output format. That structure reduces vague responses and gives you a draft you can refine in minutes instead of hours.

Foire aux questions

Can I stack multiple roles?

Yes, but keep the persona coherent. For example, 'engineer and patient teacher.'

Does role prompting always improve output?

It helps most when the task benefits from domain vocabulary and perspective.

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