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
Fill and Iterate Your Business Model Canvas in Lean Mode
Prompt to challenge each part of the BMC and generate validation experiments.
Define Your Unique Value Proposition in 5 Steps
Structured prompt to develop a clear and differentiating value proposition.
Segment Your Market in 4 Steps
Segment your customer market using multiple criteria to identify the most promising segments.
Deep-Dive Competitor Analysis
Analyze your direct and indirect competitors, position yourself on a matrix, and identify your key competitive advantages.
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.
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.
Build Your Ideal Customer Persona in 5 Steps
This prompt guides you step by step to build a complete Ideal Customer Persona (ICP), usable for your market research and marketing strategy.
Pivot by Mobilizing Your Resources
A prompt to pivot strategically by recombining your resources.
Validate Your Idea Through Customer Interviews
A prompt to prepare effectual customer interviews.
Brainstorming from Resources
A prompt to generate ideas by combining your identified resources.
Define Your Affordable Loss
A prompt to evaluate and define the risk you are willing to take.
Do Your Bird-in-Hand Inventory
A prompt to take inventory of your personal resources according to the effectual approach.