TestMu AI

TestMu AI is a privately held, full-stack Agentic AI Quality Engineering platform dedicated to eliminating quality as a bottleneck in software delivery. The company's mission is to build a quality engineering platform that takes ownership of testing, allowing development teams to focus on innovation. Headquartered in San Francisco, California, TestMu AI also maintains significant engineering operations in India, with additional offices in the UK, Philippines, and UAE.

The platform offers a suite of AI-native products and services designed for autonomous testing. Key offerings include Kane AI, a GenAI-powered test agent that plans, authors, and executes tests from natural language input; HyperExecute, a test orchestration engine; and a Real Device Cloud providing access to thousands of real iOS and Android devices. TestMu AI also provides a Browser Testing Cloud for cross-browser compatibility, SmartUI for visual regression testing, and AI-native test management. The company serves over 18,000 enterprise customers globally, including major technology firms like Microsoft, OpenAI, and NVIDIA, across various sectors such as finance, healthcare, and retail.

Formerly known as LambdaTest, the company officially rebranded to TestMu AI on January 12, 2026, signifying its strategic shift towards an AI-first quality engineering approach. Co-founded by Asad Khan (CEO) and Jay Singh (Mudit Singh), TestMu AI has raised a total of $108 million in funding across eight rounds, with the latest being a $38 million Series D round in December 2024, led by Avataar Venture Partners. The company has been recognized in the 2025 Gartner Magic Quadrant for AI-Augmented Software Testing Tools and The Forrester Wave™: Autonomous Testing Platforms, Q4 2025, positioning itself as a leader in the emerging market for AI test automation.