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AI language learning built into every page you read

Generate a complete course on any subject, then learn it 10x faster with AI.

Math class, but it's an adventure

Privacy-first bot detection and fraud prevention for the web

Turn any PDF, note, image or prompt into smart flashcards in seconds

Train your reading speed and comprehension with AI-generated passages

Interactive math, coding and AI tutoring you learn by doing

Free AI study partner that turns your course material into practice questions, guides and flashcards

AI language and skills assessments for hiring and education

Learn just enough code to launch a real online business in 14 days

AI engineering courses, certificates, and the world's biggest AI newsletter

Japanese AI company turning shogi-grade deep learning into enterprise and consumer products

AI-native enterprise skills management and learning platform

Learn a language the way native speakers actually talk

The AI developer cloud for GPU pods, serverless inference and clustering

An all-in-one AI super assistant for professionals and enterprises

AI-generated courses with a personal tutor for any topic

Learn languages with dual subtitles and a hover dictionary in any video

The coding agent that learns your coding taste

Ace the Duolingo English Test with AI scoring and 18,000+ practice questions

PTE practice tests with instant AI scoring and realistic mock exams

A friendly Vietnamese AI study assistant for homework, images and everyday questions

AI-scored PTE, IELTS, DET and CELPIP mock test platform

One API key for hundreds of AI models from every major provider