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Kawada NEXTAGE FillieVSKepler K2 Bumblebee

Kawada NEXTAGE Fillie illustration

Kawada NEXTAGE Fillie

Kawada Robotics

Price TBA

Available
VS
By the numbers

Key figures, side by side

Bars are scaled to the larger value. Bigger is not always better.

Payload

Kawada NEXTAGE Fillie1.5 kg
Kepler K2 Bumblebee15 kg
Use cases

What do you need it for?

Pick a job to see which robot fits.

JobKawada NEXTAGE FillieKepler K2 Bumblebee
Best for——
Factory work Works todayFactory assemblyKawada's product page lists Fillie as available in Japan for factory automation. PromisedSorting and material handlingKepler says it has framework agreements for several thousand units but has not named customers.
Official videos

Watch them move

Kepler K2 Bumblebee

Introducing Kepler Forerunner K2Official video · Kepler Humanoid Robot · Oct 2024 · Watch on YouTube
Spec sheet

Full comparison

SpecKawada NEXTAGE FillieKepler K2 Bumblebee
Buying
PriceTBA
Not published; sold in Japan through Kawada
$34,900
¥248,000 (about $34,900 at 7.1 CNY/USD) at mass-production launch; $30,000 base price quoted in May 2025
StatusAvailableIn production
Launch2022
On sale in Japan
Sep 26, 2025
Mass production started
BrandKawada RoboticsKepler Robotics
Specifications
Height—175 cm
Weight—75 kg
Degrees of freedom—52
Hands——
Payload1.5 kg per arm (Fillie OPEN research version)15 kg per arm, 30 kg both arms
Runtime—Up to 8 hours on a 1-hour charge
Speed——
AI system——
Compute——
Track record
Latest milestoneSep 1, 2022: Kawada released the NEXTAGE Fillie OPEN research version, which runs ROS.On 2025-09-26 Kepler said it had started mass production, with framework agreements for several thousand units.

"—" means the maker has not published that figure. Sources are listed on each robot's page. Spotted an error? Tell us and we'll fix it.

Quick answers

Kawada NEXTAGE Fillie vs Kepler K2 Bumblebee: common questions

Which is better, Kawada NEXTAGE Fillie or Kepler K2 Bumblebee?

It depends on the job. Based on what each robot does today: Kawada NEXTAGE Fillie for factory work.

Which one is cheaper?

The Kepler K2 Bumblebee costs $34,900. The Kawada NEXTAGE Fillie has no official price.

Which one can you buy now?

Kawada NEXTAGE Fillie is available to buy or pre-order. Kepler K2 Bumblebee: in production.

Which one can carry more?

The Kepler K2 Bumblebee (15 kg). Kawada NEXTAGE Fillie: 1.5 kg.