Reactor, a company specializing in world models, has raised $59 million in seed and Series A funding to enhance its real-time AI infrastructure. The funding round was led by Lightspeed Venture Partners, with contributions from Amplify Partners, WndrCo, Yunji Capital, and FPV Ventures. Reactor aims to streamline the integration of world models into applications, offering developers the ability to implement these models with minimal coding effort. The company, founded by former Apple Vision Pro developers, focuses on reducing visual latency to under 50 milliseconds, prioritizing interaction speed over generation speed. This approach allows for the creation of real-time interactive AI applications without the need for complex backend server management. Reactor's technology generates pixels, audio, and physical motions on-demand, eliminating pre-rendering and opening new opportunities in media, entertainment, and robotics.