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Flexion Robotics builds the AI brain for humanoid robots, creating an autonomy stack that lets robots understand natural-language tasks, plan movements, and control their whole body through reinforcement learning and sim-to-real training. The stack has three layers: a command layer that uses language models for task decomposition, a motion layer with vision-language-action models trained largely on synthetic data, and a low-latency whole-body control layer with modular skills. The company differentiates itself with a strong ETH Zurich–trained team and a full-stack approach that covers language understanding, motion planning, and real-time control, plus partnerships and funding to commercialize the autonomy stack with OEMs. Its goal is to achieve useful, widespread autonomy for humanoid robots by scaling robot fleets and establishing a US presence through OEM collaborations.
Industries
Robotics & Automation
AI & Machine Learning
Company Size
51-200
Company Stage
Series A
Total Funding
$57.4M
Headquarters
Zurich, Switzerland
Founded
2025
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Total Funding
$57.4M
Above
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Funded Over
2 Rounds
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Flexion Robotics raised a $7.35M seed round from Frst, Moonfire, and redalpine involving Flexion Robotics with investors including Frst, Moonfire Ventures, Redalpine. Nordic9.com tracks European startup funding, M&A and investor activity.
David Hoeller and Nikita Rudin nervously called Nvidia CEO Jensen Huang to announce they were leaving to start Flexion Robotics. The pair had worked on robotics at the chip giant, helping develop simulation technology. Huang didn't try to retain them but criticised their planned startup name, Checkpoint, calling it bad. He also warned them about the challenges ahead, saying they didn't realise how tough the journey would be. Nvidia later invested in Flexion, which has now raised over $57 million and opened a San Francisco office after hiring researchers from companies like Meta. Former Nvidia employee Bing Xu received similar directness when leaving to found INT21. Huang spent two hours trying to convince him to stay and told him poor communication was his biggest weakness.
Zurich-based startup Flexion has raised $50 million, bringing its total funding to $57.35 million. Founded in January by former Nvidia researchers, the company is developing a universal "intelligence layer" for humanoid robots that works across different robot bodies and tasks. Flexion's system uses synthetic data from physics simulations and combines linguistic processing, motion generation and full-body control based on transformer architecture—the same technology behind large language models. Unlike traditional approaches requiring manual programming or remote control, the platform enables autonomous robot operation. The company plans to licence its software annually per robot rather than building hardware itself. Fresh capital will fund a Bay Area office, team expansion in Zurich and a larger testing robot fleet. The robotics sector attracted over $10.7 billion globally by November, reflecting strong investor interest.
Ex-Nvidia engineers build office robot that actually works. * Flexion Robotics, a Swiss startup founded by former NVIDIA robotics engineers, introduced a humanoid robot designed specifically for office environments rather than factories. * AI training combines simulation, imitation learning, and reinforcement learning, allowing robots to learn reusable skills instead of being programmed for one specific task. * Demonstrated capabilities include retrieving packages, opening doors, climbing stairs, riding elevators, unpacking deliveries, filing documents, organizing workspaces, carrying supplies, and performing repetitive office tasks autonomously. * Unlike many humanoid demonstrations that rely heavily on teleoperation, Flexion claims its robots require minimal human intervention after training and can adapt learned skills to new office scenarios. * Office automation is emerging as the next commercial battleground alongside manufacturing, with companies targeting labor shortages, repetitive administrative work, and lower deployment costs for humanoids.
Flexion Robotics, a Swiss startup founded by former Nvidia researchers, has developed a system to train humanoid robots to perform complex office tasks autonomously. The company's approach combines multiple AI systems using reinforcement learning, teaching robots individual skills in simulation before deploying them in real-world settings. Unlike traditional methods relying on teleoperation, Flexion's software enables robots to execute multi-step commands independently. A demonstration shows a modified Unitree humanoid robot retrieving a parcel by navigating stairs and lifts, then unpacking items without human control. The system works by having a master AI model analyse videos of humans performing tasks, matching them with skills learned in simulation. According to CEO Nikita Rudin, the technology's key innovation is its extensive use of reinforcement learning across all software layers, from high-level planning to motor control.
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Industries
Robotics & Automation
AI & Machine Learning
Company Size
51-200
Company Stage
Series A
Total Funding
$57.4M
Headquarters
Zurich, Switzerland
Founded
2025
Find jobs on Simplify and start your career today