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Build real skills in just minutes a day. No videos. Just doing. Cosmo is your personal AI tutor, always ready with hands-on lessons that adapt to you. Whether you're between classes, commuting, or on a break, you’ll make real progress in GenAI, tech, and more.
CosmoTurn Screen Time into Skills Time.
CodeSignal Learn is a practice-based learning platform that offers one-on-one guidance. With the help of Cosmo, our AI tutor and guide, you’ll get targeted instruction, instant help when you’re stuck, and a tailored learning journey at your own speed.
CodeSignal LearnPractice the most in-demand skills with AI tutor, Cosmo