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Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms

AI English speaking coach with instant pronunciation feedback

AI language and skills assessments for hiring and education

Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing

PTE practice tests with instant AI scoring and realistic mock exams

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

AI-graded TOEFL practice tests with instant scores and feedback

AI-powered practice and scoring for the Duolingo English Test

Interactive courses for data science, AI and analytics skills

High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

Learn to code free with hands-on lessons and instant playgrounds

AI language learning built into every page you read

Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.

Unlimited AI-generated Cambridge English practice with instant feedback

Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.

Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.

Learn Linux, DevOps, and cybersecurity by doing — inside real online labs.

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

Turn PDFs, photos and subtitles into translated vocabulary flashcards

AI translation for text, images, documents and speech in 100+ languages

Hands-on lab infrastructure for AI, cloud, and data education

Browser translation, dictionary, and AI writing assistant

Get paid to train the next generation of AI models

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