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AI-powered diagnostic practice tests for SAT®, ACT®, PSAT/NMSQT® and AP® — scored in about 40 minutes

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

AI-adaptive LSAT drilling for Logical Reasoning and Reading Comprehension

Enterprise online exam platform with professional psychometrics

PTE practice tests with instant AI scoring and realistic mock exams

Expert-reviewed digital SAT prep with adaptive tests and a curated question bank

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

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

AI language and skills assessments for hiring and education

GenAI-native end-to-end QA agent that plans, writes and heals tests in plain language

Adaptive experience optimization for humans and AI agents

AI agent red-teaming, evaluation, and monitoring platform

Ship with confidence: one system of record for manual, automated, and CI tests

End-to-end certification platform built by psychometricians

Job-simulation skill assessments for the AI hiring era

Attack-led AI security testing and red teaming

Write end-to-end test automation in plain English, no code required

AI-coached CASPer practice questions and full mock tests

Build, simulate, evaluate and monitor self-improving AI agents

Agentic end-to-end testing that writes, runs and heals your test suite

AI security platform that finds exposures, proves they're exploitable, and ships the fix

Standardize LLM evaluation, observability, and red teaming across your whole org

Open-source, human-readable UI testing for mobile and web

Agent-native end-to-end testing that maintains itself