Unitree H1 Specifications

Last updated: April 2026

Two hardware revisions exist: The original H1 and the updated H1-2. Key differences are noted in the tables below. The H1-2 adds a 2-DoF ankle, 7-DoF arms, and increased weight from additional actuators.

Physical Dimensions
Height	~180 cm (H1) / ~178 cm (H1-2)
Weight	~47 kg (H1) / ~70 kg (H1-2)
Leg Length	~0.8 m (approximate, from sprint demo data)

Degrees of Freedom
Total DoF	H1: varies by arm config / H1-2: 27
Leg DoF (each)	H1: 5 (hip ×3, knee ×1, ankle ×1) / H1-2: 6 (hip ×3, knee ×1, ankle ×2)
Arm DoF (each)	H1: 4 (expandable) / H1-2: 7 (shoulder ×3, elbow ×1, wrist ×3)

Joint Torques
Knee Joint	~360 N·m
Hip Joint	~220 N·m
Waist Joint	~220 N·m (H1-2)
Ankle Joint	~59 N·m (H1) / ~75 × 2 N·m (H1-2)
Arm Joint	~75 N·m (H1) / ~120 N·m (H1-2)
Peak Torque Density	189 N·m/kg

Locomotion & Speed
Locomotion Type	Bipedal
Standard Moving Speed	3.3 m/s (~12 km/h)
Potential Mobility	> 5 m/s (official page)
Peak Sprint Speed (modified)	~10 m/s (~36 km/h) — April 2026, specially modified unit, peak instantaneous measurement
Dynamic Capabilities	Standing backflip (world first for full-size electric humanoid, per manufacturer)

Battery & Power
Battery Capacity	15 Ah / 0.864 kWh
Max Voltage	67.2 V
Runtime	Not officially specified (varies by task)

Computing Platform
H1 Standard	Intel Core i5 (platform functions) + Intel Core i7 (user development)
H1 Optional	Intel Core i7 or NVIDIA Jetson Orin NX
H1-2 Standard	1 Motion Control Computing Unit + 1 Development Computing Unit
H1-2 Optional	Up to 3 × NVIDIA Jetson Orin NX expansion modules

Sensors
Primary Sensing	3D LiDAR + depth camera
Additional	IMU, joint encoders (standard for locomotion control)

Pricing & Availability
Retail Price	Below US$90,000 (per Unitree corporate materials; store page says "Contact us for the real price")
Availability	Mass production; available via Unitree store
Open-Source	Partial (developer SDK and documentation available)

Competitor Comparison

Specification	Unitree H1-2	Tesla Optimus	BD Atlas	Figure 02
Height	~178 cm	~173 cm	~150 cm	~168 cm
Weight	~70 kg	~57 kg	~89 kg	~60 kg
DoF	27	50+	28+	41
Speed	3.3 m/s	~2.2 m/s	~1.5 m/s	~1.2 m/s
Battery	0.864 kWh	~2.3 kWh	~3.7 kWh	Not disclosed
Compute	Jetson Orin NX	Tesla FSD chip	Custom	Custom
Status	Available	Early production	Not for sale	Limited deployment
Price	~$90,000	Target ~$20,000	N/A	Not disclosed

Specification Sources

Unitree H1 Official Page — primary source for dimensions, DoF, joint torques, battery, and parameter tables
H1-2 Developer Documentation — H1-2 computing units, ankle upgrade details, hardware differences
Unitree Corporate PDF (ProSMT) — pricing context (sub-$90k positioning)
Heise — sprint speed figure (10.1 m/s peak) and measurement caveats
Yicai Global — confirms modified unit used for sprint record

Disclaimer: Specifications are sourced from the publications listed above. Figures may differ between production batches and custom configurations. The sprint speed figure is from a modified demonstration unit, not the standard product. Some content on this page was created with the assistance of AI tools.