Compare · head to head

1X NEO vs Kepler K2 Bumblebee

Data confidence: medium / medium · reviewed by Andrei Sheshenin · how we score

Kepler K2 Bumblebee ranks higher overall (40 vs 39, a 1-point gap). 1X NEO is ahead in locomotion; Kepler K2 Bumblebee is ahead in deployment; they score the same in manipulation, hands, autonomy. 1X NEO is cheaper: about $20,000 vs $34,930.

#28

39score

1X NEO

1X Technologies · USA/Norway · Walks on legs

Height168 cm

Weight30 kg

Joints75

Lifts25 kg

Speed22 km/h

Battery4 h

Price$20k

Pilots

#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

1X NEO		Kepler K2 Bumblebee
Body
168 cm	Height	175 cm
30 kg	Weight	75 kg
Legs	Moves on	Legs
75	Joints (degrees of freedom)	30
patented tendon drive, in-house motors	Actuators	Planetary roller screw and rotary actuators (hybrid)
Movement
5 km/h	Walking speed	?
22 km/h	Top speed	?
Hands and lifting
22	Joints per hand	11
5	Fingers	5
25 kg	Carries (both arms)	30 kg
8 kg	Lifts per arm	15 kg
Battery
0.8 kWh	Battery capacity	?
4 h	Runtime per charge	8 h
self-charging; quick charge 6 min per hour of runtime	Charging	1h charge
Brain and senses
Redwood AI (VLM) + built-in LLM	AI model	Not disclosed
1X NEO Cortex (NVIDIA Jetson Thor), up to 2070 FP4 TFLOPS	Onboard computer	100 TOPS GPU
Dual 8.85MP 90Hz stereo fisheye cameras; 4 beamforming microphones; linkwise differential IMUs	Sensors	Six-axis force, vision, audio sensors; 25 tactile points per finger
NEO mobile app; remote control via app and VR	Software / SDK	Secondary development platform
Buying it
$20k	Price	$30k-$35k
Official price: Early Access (ownership) 20000 USD; Standard (subscription) 499/month USD	Price details	Kepler base price 30,000 USD; China price 248,000 RMB.
pre-order	Availability	Production from 09.2025, industrial trials
Pilots	Status	On sale
consumer pre-orders (10,000 claimed, unverified)	Customers	Zhaofeng Motor (pilot)
household chores; tidying; laundry; dishes	Used for	Manufacturing, warehousing, logistics, research
What it has shown (our assessment)
Handles stairs and uneven ground	Locomotion	Walks slowly on flat floors
Two-handed work in real settings	Manipulation	Two-handed work in real settings
Hand with 6-11 joints	Hands	Hand with 6-11 joints
Limited autonomy in demos	Autonomy	Limited autonomy in demos
Sold to labs, a few units	Deployment	Paid pilots with customers

Watch them

1X NEO: Introducing NEO Gamma | Another Step Closer to Home — Introducing NEO Gamma | Another Step Closer to Home · 1X on YouTube

Kepler K2 Bumblebee: Kepler K2 “Bumblebee” | Slope Disturbance Rejection Challenge — Kepler K2 “Bumblebee” | Slope Disturbance Rejection Challenge · Kepler Humanoid Robot on YouTube

What each has shown

1X NEO: household chores in demo (washing, dishes, cleaning), part under remote control

Kepler K2 Bumblebee: loading parts at a car plant

FAQ

Which ranks higher, 1X NEO or Kepler K2 Bumblebee?

Kepler K2 Bumblebee ranks higher overall (40 vs 39, a 1-point gap).

Can you buy 1X NEO or Kepler K2 Bumblebee?

1X NEO: in customer pilots. Kepler K2 Bumblebee: on sale.

Which costs less, 1X NEO or Kepler K2 Bumblebee?

1X NEO about $20,000; Kepler K2 Bumblebee about $34,930.

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