Agility Robotics Digit v4vsSakakibara Kikai Co., Ltd. Mononofu
Side-by-side comparison of Agility Robotics Digit v4 and Sakakibara Kikai Co., Ltd. Mononofu: specs, price, use cases and SDKs.

Digit v4
Commercial bipedal humanoid for warehouse tote handling

Mononofu
A giant, pilotable humanoid robot holding a Guinness World Record for amusement.
Specifications
| Spec | Digit v4 | Mononofu |
|---|---|---|
| Price (USD) | $250,000 | $0 |
| Category | humanoid | humanoid |
| Payload | 16 kg | null kg |
| Runtime | 4 h | null h |
| Speed | 1.5 m/s | 0.278 m/s |
| Weight | 65 kg | 7300 kg |
| Degrees of Freedom | 20 | null |
| Battery | LiPo, hot-swap | — |
- Warehouse tote handling
- Truck unloading
- Bulk pack to conveyor
- Recycling sortation
- Amusement
- Entertainment
- Events
When to pick which
Select the Agility Robotics Digit v4 for high-throughput logistics and warehouse automation, particularly for repetitive tasks like tote handling or truck unloading. Its 1.5m/s walking speed and 16kg payload capacity allow it to match human pacing in brownfield environments. The inclusion of a ROS2 bridge and the Agility Arc cloud platform makes it the superior choice for enterprise-scale deployments requiring fleet management and integration with existing Warehouse Management Systems. The 65kg form factor and hot-swappable batteries ensure it can operate within standard human workspaces for extended shifts without significant infrastructure modification.
Opt for the Sakakibara Kikai Mononofu for the amusement and experiential marketing sectors where the objective is public engagement rather than operational utility. Its massive 7,300kg scale and pilotable design make it a centerpiece for theme parks or large-scale events. While its 0.278m/s speed is unsuitable for logistics, it provides the necessary spectacle for Guinness World Record-level attractions. Limited public spec data — request a vendor briefing to understand the logistical requirements for transporting such a heavy unit and the safety protocols required for pilot-operated public demonstrations.
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