Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 30 free AI prompts for ChatGPT, Claude and Gemini. Sorted by category, one-click copy, no signup required.
Looking for free AI prompts that actually work? Our library gathers 30 prompts tested and optimized for ChatGPT, Claude and Gemini. Everything is 100% free - no signup, no copy limit.
Every prompt is sorted by category (writing, productivity, marketing, code, education…) and comes with concrete examples. You save time by reaching for proven formulations instead of trial-and-error each time.
100% free
No paywall, no mandatory signup to copy a prompt.
Multi-AI
Every prompt works with ChatGPT, Claude, Gemini and Mistral.
Categorized
Filter by topic, difficulty and use case.
Bilingual
Available in French and English, tailored to each audience.
Showing 1-12 of 30 prompts
Validate Your Business Plan Hypotheses with a Critical Analysis
Prompt to challenge your business plan hypotheses with critical analysis and benchmarks.
Segment Your Market in 4 Steps
Segment your customer market using multiple criteria to identify the most promising segments.
Calculate your break-even point and find the minimum revenue
Simple and quick prompt to calculate the break-even point of your business.
Define Your Unique Value Proposition in 5 Steps
Structured prompt to develop a clear and differentiating value proposition.
Simulate Your Startup's Pre-Money Valuation Before Fundraising
Prompt to estimate your startup's pre-money valuation using several methods.
Validate Your Idea Through Customer Interviews
A prompt to prepare effectual customer interviews.
Build a Structured Business Plan for Your Startup in 10 Steps
Complete prompt to generate a structured business plan, ready to be customized.
Land Your First 10 Clients with a Reference Strategy
Get a detailed action plan to acquire your first 10 clients via referrals and a launch offer.
Brainstorming from Resources
A prompt to generate ideas by combining your identified resources.
Pivot by Mobilizing Your Resources
A prompt to pivot strategically by recombining your resources.
Calculate TAM, SAM, and SOM for your market
This prompt helps you estimate your market size using TAM, SAM, and SOM indicators, essential for reassuring investors.
Define Your Affordable Loss
A prompt to evaluate and define the risk you are willing to take.