Kepler K2 Bumblebee ranks higher overall (40 vs 39, a 1-point gap). Booster T1 is ahead in locomotion, autonomy, deployment; Kepler K2 Bumblebee is ahead in manipulation, hands. Booster T1 is cheaper: about $28,169 vs $34,930.
#31
39score
Booster T1
Booster Robotics · China · Walks on legs
Height118 cm
Weight30 kg
Joints23
Lifts?
Speed?
Battery2 h
Price$28k reported
On sale
VS
#26
40score
Kepler K2 Bumblebee
Kepler · China · Walks on legs
Height175 cm
Weight75 kg
Joints30
Lifts30 kg
Speed?
Battery8 h
Price$30k-$35k
On sale
Booster T1
Kepler K2 Bumblebee
Body
118 cm
Height
175 cm
30 kg
Weight
75 kg
Legs
Moves on
Legs
23
Joints (degrees of freedom)
30
Not disclosed
Actuators
Planetary roller screw and rotary actuators (hybrid)
Hands and lifting
6
Joints per hand
11
5
Fingers
5
?
Carries (both arms)
30 kg
?
Lifts per arm
15 kg
Battery
2 h
Runtime per charge
8 h
10.5Ah battery, 54V 5A charger
Charging
1h charge
Brain and senses
RL locomotion; optional MiniCPM edge LLM
AI model
Not disclosed
14-core CPU + NVIDIA Jetson AGX Orin (200 TOPS)
Onboard computer
100 TOPS GPU
Depth camera, 9-axis IMU, mic array, dual joint encoders
Sensors
Six-axis force, vision, audio sensors; 25 tactile points per finger
ROS 2, SDK, Isaac Sim, MuJoCo, Webots
Software / SDK
Secondary development platform
Buying it
$28k reported
Price
$30k-$35k
About 200,000 RMB per Tsinghua news; EU list 39,000 EUR (Generation Robots). DoF 23 standard, 31 with grippers, 41 with dexterous hands.
Price details
Kepler base price 30,000 USD; China price 248,000 RMB.
Commercial
Availability
Production from 09.2025, industrial trials
On sale
Status
On sale
~700 T1 and K1 combined (total)
Units shipped
Not disclosed
Universities, RoboCup teams
Customers
Zhaofeng Motor (pilot)
Research, robot soccer, education
Used for
Manufacturing, warehousing, logistics, research
What it has shown (our assessment)
Runs, recovers from pushes, gets up
Locomotion
Walks slowly on flat floors
No real manipulation
Manipulation
Two-handed work in real settings
Simple gripper
Hands
Hand with 6-11 joints
Learned AI policies in demos
Autonomy
Limited autonomy in demos
100+ robots at customers
Deployment
Paid pilots with customers
Watch them
Booster T1 - A Ready-to-Use Humanoid Robot Soccer Solution · Booster Robotics on YouTubeKepler K2 “Bumblebee” | Slope Disturbance Rejection Challenge · Kepler Humanoid Robot on YouTube
What each has shown
Booster T1: autonomous football RoboCup; getting up after falling
Kepler K2 Bumblebee: loading parts at a car plant
FAQ
Which ranks higher, Booster T1 or Kepler K2 Bumblebee?
Kepler K2 Bumblebee ranks higher overall (40 vs 39, a 1-point gap).
Can you buy Booster T1 or Kepler K2 Bumblebee?
Booster T1: on sale. Kepler K2 Bumblebee: on sale.
Which costs less, Booster T1 or Kepler K2 Bumblebee?
Booster T1 about $28,169; Kepler K2 Bumblebee about $34,930.
