Walden Robotics has closed a $300 million seed round at an $11 billion valuation, the company announced as it emerged from stealth. The Cambridge, Massachusetts–based startup—spun out of Toyota’s robotics research lab and founded in January—says it builds its own hardware, software and AI models to create general-purpose humanoid robots aimed at manufacturing and logistics.
## A blockbuster seed round and who backed it
The financing was co-led by Deviation Capital and Toyota Motor Corporation, with participation from Nvidia, Boeing, Samsung Ventures, AE Ventures and CoreWeave Ventures. Toyota’s strategic investment and its early-stage venture arm also took part in the round, underlining continued ties between the automaker and the spin‑out.
## Walden Robotics’ technology and early commercialization
Walden describes its technology stack as encompassing physical robot hardware, control software and AI models designed for continuous learning and adaptation in real-world environments. The company says it has already launched commercialization efforts, including a pilot at a Toyota facility in North America where humanoid robots perform

