Interactive DS/AI Interview Prep
Cortex
Master data science interviews with interactive content, live Python execution, and AI-powered mock interviews. From statistics to system design — everything you need in one place.
Study Topics
Math Foundations
Statistics
Machine Learning
Deep Learning
Reinforcement Learning
System Design
Coding & SQL
Features
Interactive Content
Flashcards, quizzes, and live visualizations for each topic.
Live Python
Run Python in your browser with numpy, pandas, and scikit-learn.
AI Mock Interviews
Practice with AI-powered interview simulations and get instant feedback.