Humanoid Showdown

Forerunner K2 vs iRonCub3

Humanoid robot spec comparison — Kepler Robotics vs IIT.

Kepler Robotics

Forerunner K2

83 / 100 Robo2u Score

Industrial general-purpose humanoid from Kepler Robotics with strong dexterous manipulation

IIT

iRonCub3

54 / 100 Robo2u Score

Jet-powered flying humanoid based on iCub platform

SpecForerunner K2iRonCub3
Released2024-102025
StatusProductionResearch
Height178 cm125 cm
Payload30 kg
Degrees of freedom5253
Runtime480 min
Top speed1.1 m/s
Price$30k
Robo2u Score8354

Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite — see the Humanoid Showdown for the full field.

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