20 Best AI Cheat Sheets / Websites for Beginners & Pros 2025

AI (Artificial Intelligence) moves fast—cheat sheets help you keep up! Whether you’re learning Python, training neural networks, or building chatbots, these 20 AI cheat sheets / websites will save you hours. Bookmark this guide and level up your skills today!

1. Machine Learning & Data Science

Essential References for ML Workflows

• Scikit-Learn Python Machine Learning Cheat Sheet – A handy reference sheet for Python machine learning. (Download).
• Python for Data Science – NumPy, Pandas, and Matplotlib in one page (Download).
• TensorFlow 2.0 Quick Reference – Syntax for layers, optimizers, and losses (Download).
• PyTorch Cheat Sheet – Tensors, autograd, and NN modules (Download).
• XGBoost Parameter Tuning Guide – Master gradient boosting (Download).

2. Natural Language Processing (NLP)

Quick Guides for Text AI

• NLTK Cheat Sheet – Tokenization, stemming, and POS tagging (Download).
• Hugging Face Transformers– BERT, GPT, and pipeline templates (Download).
• SpaCy Cheat Sheet – Fast NLP pipelines (Download).
• GPT-4 Prompt Engineering Guide – OpenAI’s official tips (Download).
• LangChain Quick Reference– Build AI apps with LLMs (Download).

3. Neural Networks & Deep Learning

Architectures and Training

• Keras Cheat Sheet – Model building in 5 lines (Download).
• PyTorch Lightning – Lightning in 15 minutes (Download).
• Neural Network Zoo – Visual guide to 30+ architectures (Download).
• CNN Hyperparameters Guide – Optimize convolutional nets (Download).
• GANs Cheat Sheet – Build generative models (Download).

4. AI Tools & APIs

Developer Quickstarts

• OpenAI Cookbooks – ChatGPT, DALL·E, and Whisper (Download).
• LlamaIndex Cheat Sheet – Connect LLMs to your data (Download).
• Hugging Face Datasets – Load and preprocess data (Download).
• FastAI Cheat Sheet – High-level deep learning (Download).
• Weights & Biases (W&B) Guide – Track ML experiments (Download).

5. AI Ethics & Deployment

Best Practices

• AI Fairness Checklist – Avoid bias in models (Download).
• ML Model Deployment Checklist – From dev to production (Download).
• GDPR & AI Compliance – Data privacy rules (Download).

Conclusion

These 20 cheat sheets cover everything from Python basics to cutting-edge LLMs. Download your favorites, pin them to your workspace, and build AI faster!

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