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 37-48 of 194 prompts
Create lag features for time series
Engineer time series features
Select features using multiple methods
Select the most predictive features
Build a feature engineering pipeline
Create reproducible preprocessing pipelines
Handle imbalanced classes
Fix class imbalance
Engineer date features
Extract features from datetime columns
Encode categorical variables
Encode categorical features
Build an interactive EDA dashboard
Create interactive data exploration tools
Detect data drift
Monitor model input data drift
Compute feature correlations with target
Identify predictive features
Create distribution comparison plots
Compare feature distributions
Perform cohort analysis
Analyze user retention by cohort
Analyze time series data
Explore time series datasets