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H2

Humanoid robot

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H2
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Unitree H2

Unitree RoboticsHumanoid robotAnnounced

Unitree H2 is a humanoid robot from Unitree Robotics, unveiled on 20 October 2025. It stands 1820 mm tall (headline copy rounds this to '180 cm') and weighs about 70 kg, with 31 total degrees of freedom (6 per leg, 7 per arm, 3 in the waist, 2 in the head), a published maximum leg-joint torque of 360 N·m and arm-joint torque of 120 N·m, and an arm payload of about 15 kg peak / 7 kg rated. H2 EDU adds an optional multi-model dexterous hand and secondary-development access; a separate H2 Plus configuration adds a Jetson Thor-class compute module (2,070 FP4 TFLOPS), wrist cameras and an optional dual five-finger tactile dexterous hand (22 active DOF per hand), and is marketed by Unitree as built on the NVIDIA Isaac stack (Isaac Sim/Lab, GR00T foundation models, Isaac TeleOp). Unitree publishes a C++ and Python SDK, ROS 2 examples and MJCF simulation files naming H2 explicitly, plus teleoperation support (xr_teleoperate), though unlike H1/H1-2 and G1 it does not ship an H2 Isaac Gym/Isaac Lab reinforcement-learning environment through Unitree's own repositories.

EDITORIALOverview reviewed against the cited sources by WBH, .

HEIGHT
1.82 m
WEIGHT
~70 kg
DOF
31
RUNTIME
~3 h
CompareSuggest an edit

Last verified17 sources

DATA · 28 FIELDS

Specifications

  • Official source
  • Community measured
  • Not published
PHYSICAL
Height1.82 mSame for H2, H2 EDU and H2 Plus; headline copy rounds this to '180 cm'Official source [1]
Weight~70 kgSame for H2, H2 EDU and H2 PlusOfficial source [1]
Degrees of freedom31Same for H2 and H2 EDU; H2 Plus adds up to 75 total body-and-hand DOF when its optional 22-DOF dexterous hands are fitted (31 + 2×22)Official source [1][2]
Leg DOF6 per legOfficial source [1]
Arm DOF7 per armOfficial source [1]
Waist DOF3Official source [1]
Head DOF2Official source [1]
LocomotionBipedalTwo legs, 6 DOF eachOfficial source [1]
Walking speedNot publishedNot published
Ingress protectionNot publishedNot published
JOINTS & ACTUATION
Max joint torque360 N·m (leg)Arm-joint torque published separately as 120 N·m; same for H2 and H2 EDU. The H2 Plus page states the same figures as 'Maximum Leg Torque: 360 N/m' and 'Maximum Arm Torque: 120 N/m' (likely a typographical N·m/N·m mix-up on that page).Official source [1]
Arm joint torque120 N·mOfficial source [1]
Joint motorLow inertia high-speed internal-rotor PMSMOfficial source [1]
Joint output bearingsIndustrial grade crossed roller bearingsHigh precision, high load capacityOfficial source [1]
Construction materialsAircraft-grade aluminum + titanium alloy + engineering plasticsOfficial source [1]
POWER
Battery15 Ah (0.972 kWh), quick-releaseSame for H2, H2 EDU and H2 PlusOfficial source [1]
Battery life~3 hSame for H2, H2 EDU and H2 PlusOfficial source [1][2]
Charging timeNot publishedNot published
COMPUTE & SENSING
Compute
  • Intel Core i5 (platform capabilities) · H2
  • Intel Core i5 + i7; optional Thor-class module · H2 EDU
  • NVIDIA Jetson T5000 (2,070 FP4 TFLOPS) · H2 Plus
Official source [1][2]
Perception sensors
  • Binocular camera (wide FOV); array microphone · H2Same for H2 and H2 EDU
  • Head binocular camera + optional wrist cameras + IMU · H2 Plus
Official source [1][2]
Connectivity
  • Wi-Fi 6, Bluetooth 5.2 · H2Same for H2 and H2 EDU
  • Ethernet, Wi-Fi 6, Bluetooth 5.2, USB (plus expansion interfaces) · H2 Plus
Official source [1][2]
Bionic head with facial featuresYesSame for H2 and H2 EDUOfficial source [1]
HANDS & PAYLOAD
End effector
  • Not published · H2Table shows '/' for base H2
  • Dexterous hand (multiple model options) · H2 EDU
  • Optional 5-finger tactile hand, 22 active DOF · H2 Plus
Official source [1][2]
Arm payload~15 kg peakRated: ~7 kg. Same for H2 and H2 EDU; H2 Plus states the same rated/peak figures.Official source [1][2]
AVAILABILITY & PRICE
Indicative price
  • US$29,900 · H2Tax and shipping excluded
  • Contact sales · H2 EDU
  • Not published · H2 PlusThe H2 Plus page shows no price or 'Contact Sales' row.
Official source [1]
AvailabilityAvailable to order (H2); contact sales (H2 EDU)Official source [1][3]
Secondary development
  • H2 EDU only · H2 EDU
  • Yes · H2 Plus
Official source [1][2]
Warranty
  • 8 months · H2
  • 12 months · H2 EDU
  • 12 months · H2 Plus
Official source [1][2]

DATA · SOFTWARE & SIMULATION

Unitree H2 SDK, ROS 2, URDF and simulation

INTERFACESUPPORTPACKAGE / VERSIONSRC
SDKOfficialunitree_sdk2 (C++, latest release v2.0.2): example/h2 (high_level, low_level: h2_ankle_swing_example.cpp, h2_dual_arm_example.cpp, behavior_lib). unitree_sdk2_python: example/h2 (high_level, low_level).[5][6][7][8]
ROS 2Officialunitree_ros2's example/src/src tree has a dedicated h2 folder (high_level, low_level: h2_ankle_swing_example.cpp, h2_loco_client.cpp), even though the repository's own introduction paragraph predates H2 and names only Go2/B2/H1.[9]
Isaac Sim / LabNot publishedThe H2 Plus page says the configuration is built on the NVIDIA Isaac stack; no H2 Isaac Sim or Isaac Lab environment is published in Unitree's repositories (unitree_rl_gym and unitree_rl_lab do not list H2).[2][14]
MuJoCoOfficialunitree_mujoco ships an h2/ MJCF folder (h2_mujoco.xml, scene.xml); the repository's documented config-file robot list includes 'h2'.[12][13]
GazeboNot publishedh2_description contains only meshes and URDF/XML files; no README or launch/ folder was found (unlike h1_description).[11]
URDF / MJCFOfficialunitree_ros: h2_description (H2.urdf, H2_dae.urdf, H2_loop.urdf, H2_loop.xml).[11]
TeleoperationOfficialxr_teleoperate v1.6 added H2 support (7-DoF arm) via the --arm option.[16]
LanguagesOfficialC++ and Python (unitree_sdk2, unitree_sdk2_python). unitree_sdk2_rs (same GitHub org, v0.3.0) additionally lists Rust RPC clients per model including h2.[5][7][17]

Other humanoid robots with SDK, ROS 2, URDF or MuJoCo

IN SHORT

Unitree H2: quick answers

How tall is the Unitree H2?
1.82 m, as Unitree publishes it.
How much does the Unitree H2 weigh?
~70 kg, as Unitree publishes it.
How many degrees of freedom does the Unitree H2 have?
31, according to Unitree.
Does the Unitree H2 have an SDK?
Yes: Unitree publishes unitree_sdk2 (C++, latest release v2.0.2): example/h2 (high_level, low_level: h2_ankle_swing_example.cpp, h2_dual_arm_example.cpp, behavior_lib). unitree_sdk2_python: example/h2 (high_level, low_level)..
Does the Unitree H2 support ROS 2?
Yes: Unitree publishes unitree_ros2's example/src/src tree has a dedicated h2 folder (high_level, low_level: h2_ankle_swing_example.cpp, h2_loco_client.cpp), even though the repository's own introduction paragraph predates H2 and names only Go2/B2/H1..

HARDWARE · AFFILIATE LINKS

Hardware named on this page

Listed because this page names the model; being named is not evidence that a product is compatible with, or identical to, what a robot uses. Affiliate links: if you buy through one, Seeed Studio may pay WBH a commission, at no extra cost to you. It plays no part in what WBH covers or names. How recommendations are chosen.

DATA · 14 COMPARISONS

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TIMELINE · 1 EVENT SINCE 20 OCT 2025

Latest updates

Full timeline
  1. unitree_sdk2_rs 0.3.0 adds Rust RPC clients for eight Unitree robotsRELEASE · GITHUB · OFFICIAL

COMMUNITY · 2 THREADS

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