Unitree H2 is not "a taller G1". It changes the relationship with the environment: human height, up to 360 N·m torque at the leg joints, human-robot interaction (HRI) and scenarios where a 132 cm robot is not enough. All versions, with specs and prices, are on the H2 range page.
H2 specifications (Unitree data)
| Item | Value |
|---|---|
| Standing dimensions | 1820 × 456 × 218 mm |
| Weight with battery | about 70 kg |
| Degrees of freedom | 31: 6 per leg, 7 per arm, 3 at the waist, 2 at the head |
| Maximum torque | 360 N·m legs, 120 N·m arms |
| Arm payload | about 7 kg nominal, about 15 kg peak |
| Battery | 15 Ah (0.972 kWh), about 3 hours |
| Computing | PC1 Intel Core i5 (control); PC2 Intel Core i7 for development on the EDU version |
| Secondary development | H2 EDU only |
| Warranty | 8 months H2, 12 months H2 EDU |
Source: H2 page on unitree.com. These are laboratory values and can vary with the configuration.
Product lines and prices (excluding VAT)
| Line | Profile | Price |
|---|---|---|
| H2 Air | Entry full-size | 43,874 € |
| H2 EDU | Research, secondary development, expandable computing | 68,085 € |
| H2-D | Dual-arm / cell deployment | from 79,900 € |
| H2 Plus | Jetson Thor + SharpaWave hands + Isaac GR00T | from 149,900 € |
Prices from the public price list, excluding VAT. H2-D and H2 Plus prices depend on the configuration (hands, computing, base) and are confirmed in the quote. Accessories such as the Jetson AGX Orin and AGX Thor computing modules and the Dex3, Dex5, Inspire and Revo hands are in the Unitree catalog.
What a buyer learns from the G1 literature
The 2025–2026 preprints on Unitree humanoids are mostly about the G1. That is not a limitation: the lessons on energy, teleoperation and foundation models carry over to how you design an H2 proof of concept.
1. Energy and motion planning
Deniz et al. (arXiv:2606.15915) identify an electrical power model on the G1's 7-DoF arm with R² ≈ 0.93–0.96. Practical takeaway: if your H2 use case involves repeated manipulation, budget for thermal/battery management, not just brochure endurance figures.
2. Whole-body teleoperation
Durrani & Khan (arXiv:2605.12347) show IMU → G1 teleoperation with a sim2sim/sim2real pipeline in MuJoCo. For the H2, the same discipline (kinematic retargeting, latency, safety harness) remains the starting point for any HRI demo.
3. Foundation models and cross-embodiment
Park et al. (arXiv:2512.01358) fine-tune foundation policies on GR1 and G1 with contact/depth modalities, lifting success rate from ~48% to ~94% on a pick task. This is the context in which the H2 Plus + Isaac GR00T roadmap makes sense: not out-of-the-box magic, but a platform for post-training on your own data.
NVIDIA documentation: Isaac GR00T. According to the NVIDIA announcement of 1 June 2026, the GR00T platform will also support the G1.
4. Generalist motion tracking
Amadio & Hoffman (arXiv:2607.19903) empirically study what matters in whole-body motion tracking on the G1 (YAHMP). Useful for anyone evaluating the H2 for HRI/entertainment research: many failures are not hardware, they are command/action representation choices.
5. Language-guided navigation
Action Agent (arXiv:2605.01477) combines video generation and velocity commands: on the real G1, in unseen indoor environments, it reaches 64.7% completed tasks. Signal: natural-language instruction POCs require a heavy stack and clear acceptance criteria.
H2 or G1?
| G1 | H2 | |
|---|---|---|
| Height | 1320 mm | 1820 mm |
| Weight | about 35 kg | about 70 kg |
| Declared endurance | about 2 hours | about 3 hours |
| Paper / policy ecosystem | Very rich | Growing; Plus → GR00T |
| Starting budget (list price) | 18,155.69 € (G1 Air) | 43,874 € (H2 Air) |
| When to choose it | Demos, many labs, paper-driven loco-manipulation | Human-scale HRI, presence, full-size roadmap |
Broader decision tree: which humanoid in 2026. Assessment: assessment.html.
H2 Plus and Isaac GR00T: realistic expectations
The H2 Plus is the Isaac GR00T reference version announced by Unitree and NVIDIA on 1 June 2026: H2 body, NVIDIA Jetson AGX Thor T5000 computing and two five-finger Sharpa Wave tactile hands. NVIDIA indicates sales through Unitree from late 2026 (NVIDIA announcement). With Abra it is on request: availability and lead times are confirmed in the quote. The GR00T results published today are typically on the G1 / other embodiments after fine-tuning. In an Abra quote we always separate: (a) hardware platform; (b) dataset and post-training; (c) safety and cell, three distinct cost items.
How to start an H2 proof of concept with Abra
- Define whether you need full-size locomotion or only manipulation (in that case also consider G1-D / H2-D)
- Align the software stack (ROS 2, teleoperation, possible GR00T) with the lab, see ROS2 Unitree
- Set metrics inspired by the papers: task success rate, average power, teleoperation latency, push recovery
- Request a quote on the H2 hub
Safety and regulations
With about 70 kg and 360 N·m at the legs, an H2 fall is a serious risk. Before use you need a risk assessment, a frame or harness for the first tests and a dedicated area. From 20 January 2027 the reference for machinery is Regulation (EU) 2023/1230: see the guide Unitree robots and the Machinery Regulation.
Frequently asked questions
How much does the Unitree H2 cost in the UK?
At list price the H2 Air is 43,874 € and the H2 EDU 68,085 €, excluding VAT. The H2-D starts from 79,900 € and the H2 Plus from 149,900 €, with the final price depending on the configuration.
How tall is the H2 and how much does it weigh?
According to Unitree, 1820 mm standing and about 70 kg with battery, with 31 degrees of freedom.
How long does the H2 battery last?
About 3 hours according to Unitree, with a 15 Ah (0.972 kWh) battery.
What is the difference between the H2 and the H2 EDU?
Secondary development is available only on the H2 EDU, which adds an Intel Core i7 development PC. The Unitree warranty is 8 months for the H2 and 12 months for the H2 EDU.
What is the H2 Plus?
It is the reference version for NVIDIA Isaac GR00T, with Jetson AGX Thor T5000 and Sharpa Wave tactile hands. NVIDIA indicates sales through Unitree from late 2026.