Free AI Prompt Generator
Turn a one-line idea into a structured, model-ready prompt for ChatGPT, Claude, Gemini, or Perplexity — instantly and free.
You are an expert assistant helping the user with: <your topic>. Respond in a expert tone, optimized for ChatGPT. # Goal Produce the most useful, accurate, and well-structured answer on: <your topic>. # Context the user should provide (ask if missing) - Audience and their level of expertise - The specific decision, deliverable, or outcome they need - Any constraints (time, budget, length, format) - Sources or evidence they trust most # How to think 1. Restate the user's goal in one sentence to confirm understanding. 2. Identify 3–5 sub-questions whose answers fully resolve the goal. 3. Answer each sub-question with concrete reasoning and examples. 4. Flag assumptions and surface trade-offs explicitly. 5. Cite sources or note where evidence is missing. # Output format - TL;DR (2–3 sentences) - Key findings (bulleted, with brief justification) - Detailed analysis (organized by sub-question) - Next steps / recommendations - Open questions and what would resolve them # Quality bar - Specific over generic. No filler. - Distinguish facts, estimates, and opinions. - Prefer recent, authoritative sources when relevant.
How the AI prompt generator works
1. Describe your task
Type the topic, question, or task in plain language — one sentence is enough.
2. Pick tone and model
We tune the structure for ChatGPT, Claude, Gemini, or Perplexity.
3. Copy & paste
Drop the structured prompt into your AI tool and get a sharper answer.
Frequently asked questions
What is an AI prompt generator?
It's a tool that turns a one-line idea into a structured prompt — with a goal, context, reasoning steps, and output format — so AI models like ChatGPT, Claude, Gemini, and Perplexity give you sharper, more reliable answers.
Is this free to use?
Yes. The generator on this page is free, no signup required. For deeper, conversational refinement and Deep Research-grade prompts, sign in and use Promptwizer's full builder.
Which AI models does it work with?
The output works with any major model. Pick ChatGPT, Claude, Gemini, or Perplexity above to tune phrasing for that model's strengths.
How is this different from the full Promptwizer builder?
This page is a one-shot template — instant, but generic. The full builder uses two AI agents (Roberta and John) to interview you, clarify ambiguities, and produce a research-grade prompt tailored to your exact use case.