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 13-24 of 194 prompts
Structure a data science presentation
Structure data presentations
Explain model predictions with SHAP
Make model predictions explainable
Implement shadow deployment
Safely deploy new ML models
Normalize features for deep learning
Prepare data for deep learning
Perform cohort analysis
Analyze user retention by cohort
Build a feature engineering pipeline
Create reproducible preprocessing pipelines
Engineer date features
Extract features from datetime columns
Handle concept drift in models
Maintain model performance over time
Create a data visualization
Build impactful visualizations
Tune hyperparameters with Optuna
Optimize model hyperparameters
Analyze missing data patterns
Handle missing data strategically
Create lag features for time series
Engineer time series features