Bill Gates -backed Robotics startup Field AI has raised $405 million in two funding rounds, with investments from Nvidia 's venture capital arm and Amazon founder Jeff Bezos ' family office.

The funding comes during an "aha moment," founder and CEO Ali Agha told CNBC, as software and hardware reach an inflection point.

"We are growing," he said. "This funding announcement is to respond to the customer demand."

The latest round values the two-year-old startup at $2 billion, according to a person familiar with the matter who asked not to be identified to discuss financial information.

Along with NVentures and Bezos Expeditions, the rounds included investments from Khosla Ventures, Temasek, Canaan Partners and Intel Capital. Samsung and Gates Frontier, the Micro

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