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

PTE practice tests with instant AI scoring and realistic mock exams

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

AI language and skills assessments for hiring and education

Natural-language end-to-end testing for mobile and web apps

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

Human-friendly API client with an AI sidekick

Write end-to-end tests in plain English, not selectors

Write end-to-end tests in plain English and let AI run them

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

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

Attack-led AI security testing and red teaming

Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

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

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

Baidu's ERNIE-powered AI coding partner for your IDE

Free, open-source plain-English CLI for real browser automation

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

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

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

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

AI governance, testing, and observability for regulated enterprises

Agent observability, evals and governance for AI platform teams

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