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 73-84 of 194 prompts
Factor Analysis and PCA
Statistically reduce dimensionality
Cohort Analysis
Analyzing cohort behavior
Survival Analysis
Analyzing duration data
Causality Analysis
Establishing causal relationships
Statistical Power Analysis
Planning a statistical experiment
Multivariate Time Series Visualization
Analyzing complex time series data
Automated Analysis Report
Automate report generation
Storytelling with data
Presenting analysis in a compelling way
Error Analysis
Understanding where the model fails
Data Quality Report
Documenting dataset quality
Temporal feature engineering
Creating features from time-based data
Data Drift Detection
Production data quality monitoring