Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 194 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 194 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 181-192 of 194 prompts
A/B test results interpretation
Rigorous statistical analysis of A/B test results with bias verification and deployment recommendation.
Conversion funnel analysis
Exhaustive conversion funnel analysis with friction point identification and A/B test recommendations.
Cohort analysis and customer retention
Complete cohort analysis to measure and understand customer retention with aha moment identification.
Web analytics metrics analysis
Comprehensive web analytics metrics analysis to understand visitor behavior and identify optimization areas.
Advanced Excel formulas for data analysis
Provides advanced Excel formulas tailored to specific analysis problems with explanations and variants.
Automated weekly report generation
Design an automated weekly reporting system with intelligent comments and contextual alerts.
Anomaly detection in data
Detect anomalies and outliers in a dataset with multiple statistical methods and severity scoring.
Customer segmentation by clustering
Segment a customer base into homogeneous groups via RFM and K-means with personalized marketing strategies per segment.
Correlation analysis between variables
Analyze correlations between dataset variables with business interpretation and heatmap visualization.
Linear regression analysis for prediction
Complete guide to performing a linear regression, from hypothesis verification to prediction interpretation.
Write SQL queries for sales analysis
Generate optimized SQL queries for comprehensive sales data analysis based on your specific tables and needs.
Data cleaning and preparation
Step-by-step guide to clean and standardize raw data before analysis in Excel or Google Sheets.