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About AI Sapiens K1
AI Sapiens K1 is ROBOTIS's fully open-source humanoid platform for physical AI research. It stands 1.36 m tall, weighs 35 kg, and runs 23 joints on DYNAMIXEL-Q actuators — built so policies trained in simulation transfer to real hardware.
Manufacturer
🏢
Robotis
KR
Key Specifications
Status
ACTIVE
Category
Humanoid
Verified
2026-09-15
CPU/GPU
NVIDIA Jetson Orin NX 16GB — 8-core Arm Cortex-A78AE, 1024-core Ampere GPU, 32 Tensor Cores, 157 TOPS, 256 GB SSD
Gear tech
20:1 single-stage quasi-direct drive, 10 arcmin backlash
Motor tech
DYNAMIXEL-Q QDD, low-inertia inner-rotor PMSM, 48 V
Height [cm]
135.5
Main market
education, Research, robotics development
Nationality
South Korea
Availability
In production
Connectivity
2.5 GbE ×1, Bluetooth, USB-A 3.2 Gen 2 ×3, Wi-Fi
Manufacturer
Robotis
LLM integration
Not native — open ROS 2 stack permits it
Max speed (km/h)
4.3
Operating system
Cyclo OS (Yocto-based) · ROS 2 Jazzy
Safe with humans
Yes
Camera resolution
N/A
Number of fingers
5 per hand
Ingress protection
N/A
Latency glass to action
N/A
Main structural material
Aluminium alloy frame with polymer covers
Degrees of freedom, hands
10
Runtime pr charge (hours)
2
Degrees of freedom, overall
23
Data sourced from Wikidata · Last verified: 2026-09-15 · Methodology