FieldAI, a robotics startup backed by Bill Gates, Jeff Bezos, and others, raised $405 million in recent funding rounds as the California-based company aims to deploy its “software brain” in a variety of robots across diverse environments.

FieldAI, which develops systems for robots to operate safely in industrial environments, has raised $314 million in a new funding round, quadrupling its valuation, sources with knowledge of the matter said.