
Humanoid robot companies are promising big things, such as shipping thousands of robots in the next few years, raising billions, and revolutionizing work. But the reality is far more complex. To date, most deployments are small‐scale pilot projects. Reliable, general-purpose humanoids that can work safely outside controlled environments simply do not exist yet, says IEEE Spectrum.
One major challenge is demand. Building tens of thousands of humanoids is physically possible; supply chains for industrial robots might handle it. What’s missing are tasks or jobs that require so many humanoids in a single facility, or applications that justify buying hundreds of multipurpose robots per customer.
Then there is battery life, reliability, and safety. For example, Agility Robotics’ Digit has to balance payload versus runtime: with its battery pack, it can run ~90 minutes and recharge in 9 minutes, though real-use scenarios lower those numbers. Systems must also handle downtime carefully: industrial customers expect uptime levels far beyond what current humanoids generally deliver.
Safety is another big issue. Humanoids are machines already subject to machinery safety rules. But their balancing systems, joints, and mobility add complexity: turning off power may cause falls; interaction with humans or unstructured environments raises risks. Regulatory standards are under development, especially for dynamically balanced walking robots.
Finally, there’s the question: do we need humanoid robots everywhere? Wheeled or fixed-base robots, or simpler machines, may offer better performance, cost, and reliability for many tasks. Humanoids might have advantages in complex terrain or human-designed environments, but that doesn’t make them the obvious solution for most use cases today.
Humanoid robotics is a promising field. But hype is outpacing what current technology, business models, and safety systems can realistically deliver. Scaling up won’t happen simply because someone says it will; the gaps are substantial, and they’re not all easy to close.