Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 120 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 120 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 109-120 of 120 prompts
Validate Your Idea Through Customer Interviews
A prompt to prepare effectual customer interviews.
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.
Segment Your Market in 4 Steps
Segment your customer market using multiple criteria to identify the most promising segments.
Hire Your First Employee Without Killing the Startup Culture
Prompt to recruit the first employee with job posting, interview grid and onboarding plan.
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.
Calculate your break-even point and find the minimum revenue
Simple and quick prompt to calculate the break-even point of your business.
Fill and Iterate Your Business Model Canvas in Lean Mode
Prompt to challenge each part of the BMC and generate validation experiments.
Calculate Your SaaS Unit Economics (LTV, CAC, Ratio)
Prompt to calculate and interpret SaaS unit economics with recommendations.
Prepare an irresistible pitch deck to convince investors
Prompt to create a structured and impactful pitch deck for investors.
Build a Structured Business Plan for Your Startup in 10 Steps
Complete prompt to generate a structured business plan, ready to be customized.
Analyze Customer Pain Points from Interviews
Transform your raw customer interviews into actionable insights on pain points, needs and expectations, ready to guide product development.
Simulate Your Startup's Pre-Money Valuation Before Fundraising
Prompt to estimate your startup's pre-money valuation using several methods.