TestMu AI (formerly LambdaTest) is a full-stack, AI-native quality engineering platform for end-to-end testing of web, mobile, and AI applications. Automation Cloud runs automated tests at scale across Selenium, Playwright, Cypress, Appium. Real Device Cloud lets teams test and automate native mobile apps on 10,000+ real iOS/Android devices, while cross-browser testing covers 3,000+ browser and OS combinations. KaneAI, a GenAI-native testing agent, creates, authors, and evolves tests using natural language prompts. Agent Testing validates AI agents like chatbots, voice agents, phone callers, and image analyzers. SmartUI delivers AI-native visual testing, Accessibility Testing checks apps for WCAG compliance, and Test Manager organizes manual and automated test cases in one place. HyperExecute, its test orchestration platform, executes tests up to 70% faster. TestMu AI has 120+ integrations and is trusted by 3M+ users across 18,000+ enterprises, including Microsoft, OpenAI, and NVIDIA.