Robonaut 2 vs Unitree G1 EDU-U6
Side-by-side comparison of Robonaut 2 (NASA Johnson Space Center and GM) and Unitree G1 EDU-U6 (Unitree Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
- Robonaut 2United States
- Unitree G1 EDU-U6China
Year First Available
- Robonaut 22010
- Unitree G1 EDU-U6—
Verified Deployments
- Robonaut 20 Deployments
- Unitree G1 EDU-U60 Deployments
Layer 2: Operational
Price Range (USD)
- Robonaut 2$2,500,000 USD
- Unitree G1 EDU-U6$13,500–$73,900 USD
Battery / Shift Runtime
- Robonaut 2—
- Unitree G1 EDU-U62 hrs
Availability Status
- Robonaut 2ACTIVE
- Unitree G1 EDU-U6ACTIVE
Physical Form Factor
Height
- Robonaut 2101.6 mm
- Unitree G1 EDU-U6132 mm
Weight
- Robonaut 2149.7 kg
- Unitree G1 EDU-U635 kg
Mobility Type
- Robonaut 2bipedal
- Unitree G1 EDU-U6bipedal
Humanoid Subtype
- Robonaut 2full bipedal
- Unitree G1 EDU-U6full bipedal
Walking Speed
- Robonaut 2—
- Unitree G1 EDU-U62 m/s
Running Capable
- Robonaut 2—
- Unitree G1 EDU-U6run capable
Stair Climbing
- Robonaut 2No
- Unitree G1 EDU-U6No
Terrain
- Robonaut 2zero gravity
- Unitree G1 EDU-U6flat_indoor
Payload & Dexterity
Payload
- Robonaut 29 kg
- Unitree G1 EDU-U63 kg
Total DOF
- Robonaut 242
- Unitree G1 EDU-U641
Arm DOF
- Robonaut 27
- Unitree G1 EDU-U67
Hand DOF
- Robonaut 212
- Unitree G1 EDU-U67
Arm Reach
- Robonaut 2—
- Unitree G1 EDU-U645 cm
Bimanual Coordination
- Robonaut 2Yes
- Unitree G1 EDU-U6coordinated planning
Tool Use
- Robonaut 2—
- Unitree G1 EDU-U6vendor demo
Compute & AI
Onboard Compute
- Robonaut 238 PowerPC processors
- Unitree G1 EDU-U6100 TOPS
Compute Platform
- Robonaut 2—
- Unitree G1 EDU-U6NVIDIA Jetson Orin
VLM Capable
- Robonaut 2No
- Unitree G1 EDU-U6No
Foundation Models
- Robonaut 2false
- Unitree G1 EDU-U6UnifoLM
Imitation Learning
- Robonaut 2No
- Unitree G1 EDU-U6Yes
Teleoperation
- Robonaut 2—
- Unitree G1 EDU-U6vr_headset
Programming
- Robonaut 2teleoperated
- Unitree G1 EDU-U6imitation & reinforcement learning
Battery & Power
Runtime
- Robonaut 2—
- Unitree G1 EDU-U62 hrs
Charging Method
- Robonaut 2—
- Unitree G1 EDU-U6manual swap
Battery Swap
- Robonaut 2No
- Unitree G1 EDU-U6Yes
Safety
Force-Limited Arms
- Robonaut 2—
- Unitree G1 EDU-U6Yes
Fall Recovery
- Robonaut 2—
- Unitree G1 EDU-U6Yes
Human Detection Method
- Robonaut 2—
- Unitree G1 EDU-U6vision human
Safe Speed Near Humans
- Robonaut 2—
- Unitree G1 EDU-U6software_defined
Software
SDK Languages
- Robonaut 2teleoperated
- Unitree G1 EDU-U6Python, C++, ROS2
ROS Support
- Robonaut 2No
- Unitree G1 EDU-U6ros2 vendor
Simulation Platforms
- Robonaut 2—
- Unitree G1 EDU-U6NVIDIA Isaac Sim
Open API
- Robonaut 2No
- Unitree G1 EDU-U6open rest
Air-Gap Capable
- Robonaut 2—
- Unitree G1 EDU-U6Yes
Reliability
Deployment Maturity
- Robonaut 2commercial
- Unitree G1 EDU-U6commercial
Commercial
Price (USD)
- Robonaut 2$2,500,000 USD
- Unitree G1 EDU-U6$13,500–$73,900 USD
Price Tier
- Robonaut 2150K+
- Unitree G1 EDU-U680-150K
Pricing Model
- Robonaut 2outright purchase
- Unitree G1 EDU-U6capex
Delivery Lead Time
- Robonaut 2—
- Unitree G1 EDU-U62 mo
Warranty
- Robonaut 2—
- Unitree G1 EDU-U61 yrs
Applications
- Robonaut 2space_exploration, automotive_manufacturing, hazardous_env, medical_assistance
- Unitree G1 EDU-U6research
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | China |
| Year First Available (values differ) | 2010 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $2,500,000 USD | $13,500–$73,900 USD |
| Battery / Shift Runtime (values differ) | — | 2 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 101.6 mm | 132 mm |
| Weight (values differ) | 149.7 kg | 35 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | — | 2 m/s |
| Running Capable (values differ) | — | run capable |
| Stair Climbing | No | No |
| Terrain (values differ) | zero gravity | flat_indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 9 kg | 3 kg |
| Total DOF (values differ) | 42 | 41 |
| Arm DOF | 7 | 7 |
| Hand DOF (values differ) | 12 | 7 |
| Arm Reach (values differ) | — | 45 cm |
| Bimanual Coordination (values differ) | Yes | coordinated planning |
| Tool Use (values differ) | — | vendor demo |
| Compute & AI | ||
| Onboard Compute (values differ) | 38 PowerPC processors | 100 TOPS |
| Compute Platform (values differ) | — | NVIDIA Jetson Orin |
| VLM Capable | No | No |
| Foundation Models (values differ) | false | UnifoLM |
| Imitation Learning (values differ) | No | Yes |
| Teleoperation (values differ) | — | vr_headset |
| Programming (values differ) | teleoperated | imitation & reinforcement learning |
| Battery & Power | ||
| Runtime (values differ) | — | 2 hrs |
| Charging Method (values differ) | — | manual swap |
| Battery Swap (values differ) | No | Yes |
| Safety | ||
| Force-Limited Arms (values differ) | — | Yes |
| Fall Recovery (values differ) | — | Yes |
| Human Detection Method (values differ) | — | vision human |
| Safe Speed Near Humans (values differ) | — | software_defined |
| Software | ||
| SDK Languages (values differ) | teleoperated | Python, C++, ROS2 |
| ROS Support (values differ) | No | ros2 vendor |
| Simulation Platforms (values differ) | — | NVIDIA Isaac Sim |
| Open API (values differ) | No | open rest |
| Air-Gap Capable (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity | commercial | commercial |
| Commercial | ||
| Price (USD) (values differ) | $2,500,000 USD | $13,500–$73,900 USD |
| Price Tier (values differ) | 150K+ | 80-150K |
| Pricing Model (values differ) | outright purchase | capex |
| Delivery Lead Time (values differ) | — | 2 mo |
| Warranty (values differ) | — | 1 yrs |
| Applications (values differ) | space_exploration, automotive_manufacturing, hazardous_env, medical_assistance | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Payload (Peak), Grip Strength, Manipulation Repeatability, Battery Capacity, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Production Pilots
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes Robonaut 2 and Unitree G1 EDU-U6?
Robonaut 2 is made by NASA Johnson Space Center and GM, based in US. Unitree G1 EDU-U6 is made by Unitree Robotics, based in CN.
How do Robonaut 2 and Unitree G1 EDU-U6 compare on the Robo Index?
Robonaut 2 grades AA on the Robo Index. Unitree G1 EDU-U6 grades A. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
What is the payload difference between Robonaut 2 and Unitree G1 EDU-U6?
Robonaut 2 carries up to 9 kg. Unitree G1 EDU-U6 carries up to 3 kg.
Are Robonaut 2 and Unitree G1 EDU-U6 in the same category?
Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Humanoid robots?
Hardware cost is one input. Humanoid TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time.
What should a buyer ask vendors when choosing between Robonaut 2 and Unitree G1 EDU-U6?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Vendor Selection for Humanoids: The 10 Questions You Must Ask.
Going deeper — picking the right robot
Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time
8 min readHumanoid Robots
Vendor Selection for Humanoids: The 10 Questions You Must Ask
10 min readHumanoid Robots
Running a Humanoid Pilot: Scope, Success Criteria, and Exit Options
9 min readHumanoid Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
Robonaut 2 vs Unitree G1 EDU-U6 compares two robots in the humanoid category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.