Booster K1 vs K2 Bumblebee
Booster Robotics vs Kepler Robotics — specs, price, and data-backed comparison.
QUICK TAKE
- Booster K1 is the more affordable option at $5,999, versus $30,000 for K2 Bumblebee.
- K2 Bumblebee offers the faster top speed (3.49 km/h vs 1.44 km/h).
- K2 Bumblebee offers the longer runtime (480 min vs 30 min).
- K2 Bumblebee offers the more degrees of freedom (52 vs 22).
- Booster K1 offers the lighter build (19.5 kg vs 75 kg).
SPECIFICATIONS COMPARED
| Booster K1 | K2 Bumblebee | |
|---|---|---|
| Company | Booster Robotics | Kepler Robotics |
| Category | Humanoid | Humanoid |
| Price: | $5,999 | $30,000 |
| Released: | 2025 | — |
| Weight | 19.5 kg | 75 kg |
| Payload | — | 30 kg |
| Degrees of Freedom | 22 | 52 |
| Speed | 1.44 km/h | 3.49 km/h |
| Battery Life | 30 min | 480 min |
| Charging Time | — | 1 h |
| Software / AI | Booster Robotics Development Platform Secondary Development SDK | Nebula Embodied Intelligence Open Operating System; SDK and secondary development interfaces |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the Booster K1 and the K2 Bumblebee?
Booster K1 is made by Booster Robotics, while K2 Bumblebee is made by Kepler Robotics. Both are humanoids, so the differences come down to price and specifications.
Which is cheaper, the Booster K1 or the K2 Bumblebee?
The Booster K1 is cheaper, listed at $5,999 compared to $30,000 for the K2 Bumblebee.
Which is faster, the Booster K1 or the K2 Bumblebee?
The K2 Bumblebee has the higher top speed at 3.49 km/h, compared to 1.44 km/h for the Booster K1.
Which has the longer battery life, the Booster K1 or the K2 Bumblebee?
The K2 Bumblebee has the higher runtime at about 480 minutes, compared to about 30 minutes for the Booster K1.