Kepler Robotics Kepler K2 BumblebeevsTesla, Inc. Optimus
Side-by-side comparison of Kepler Robotics Kepler K2 Bumblebee and Tesla, Inc. Optimus: specs, price, use cases and SDKs.

Kepler K2 Bumblebee
An industrial humanoid robot designed for versatile tasks in manufacturing and logistics.

Optimus
A general-purpose, bi-pedal, autonomous humanoid robot for unsafe, repetitive or boring tasks.
Specifications
| Spec | Kepler K2 Bumblebee | Optimus |
|---|---|---|
| Price (USD) | $30,000 | $30,000 |
| Category | humanoid | humanoid |
| Payload | 30 kg | 20 kg |
| Runtime | 8 h | 7 h |
| Speed | 1.11 m/s | 2.23 m/s |
| Weight | 75 kg | 57 kg |
| Degrees of Freedom | 52 | 22 |
| Battery | 2.33 kWh | High-density NMC cells, 3 kWh |
- Material handling
- Intelligent manufacturing
- Logistics
- Inspection
- Research and education
- Hazardous conditions
- Manufacturing assistance
- Logistical support
- Hazardous material handling
- Household chores
- Assisting elderly or disabled users
When to pick which
Select the Kepler K2 Bumblebee for heavy-duty industrial environments, such as automotive assembly lines or large-scale logistics hubs requiring significant material handling. Its 30kg payload capacity is 50% higher than the Optimus, making it the superior choice for transporting heavy crates or operating industrial tools. With 52 degrees of freedom, it offers the high-precision dexterity necessary for complex research and development or intricate assembly tasks that require human-like manipulation. The eight-hour runtime ensures it can complete a standard industrial shift on a single charge, providing a reliable solution for high-volume manufacturing facilities prioritizing mechanical versatility and lifting power.
Opt for the Tesla Optimus in high-speed logistics operations or service-oriented sectors like elder care and household assistance. Its top speed of 2.23 m/s—double that of the Kepler—makes it far more efficient for navigating expansive warehouse floors or large residential facilities quickly. The lighter 57kg chassis reduces safety risks in human-populated environments and improves energy efficiency during locomotion. Choose this platform for large-scale deployments where rapid mobility and integration into autonomous software ecosystems are prioritized. The 3 kWh high-density NMC battery supports high-intensity bursts of activity, making it ideal for time-sensitive tasks and dynamic environments.
Ready to evaluate?
Request a vendor quote or compare more options.