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PTE practice tests with instant AI scoring and realistic mock exams

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

AI-coached CASPer practice questions and full mock tests

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

Run a whole company of AI agents with org charts, goals and budgets

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

One connected, AI-native platform for GRC, IT, projects and operations

AI English speaking coach with instant pronunciation feedback

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

Hire an AI employee that connects to your stack and gets real work done

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

Turn SOPs and recurring checklists into assigned, audited workflows

The open-source LLM gateway that fixes your agents' requests on the fly

Enterprise scheduling optimization APIs and a proven constraint solver

AI document extraction and AI spend control for enterprises

Full-stack observability with an AI SRE agent that fixes issues

Free practical deep learning courses, research and open-source libraries

Real-time AI interview copilot and prep coach in one platform

VRAM, throughput and GPU cost calculators plus courses for open-weight LLM deployment

AI-graded TOEFL practice tests with instant scores and feedback

One real-time ledger for metering, credits, pricing and entitlements

AI-powered test management that keeps QA teams fast and organized

One workspace for tasks, docs and AI-powered project delivery

Turn any link into scannable AI QR code art