Tutor Intelligence announces $75 million Series B led by a16z

The company’s approach puts robots to work before full autonomy. Gruenstein said its robots are directed by human “tutors” and foundation models trained on work the robots have done. In an article about Tutor Intelligence, he described remote human tutors training robot foundation models from real work. a16z also described the tutors as human teleoperators.

Gruenstein said Tutor is in almost four times as many sites as it was a year ago and that nearly a third of its 2026 deployments went to returning customers. He said the company is on track to have more than 1,000 robots under contract by the end of 2027. That figure is a future contract target, not a current fleet count.