Elf 3 Humanoid Robot vs RoboThespian 3
Side-by-side comparison of Elf 3 Humanoid Robot (BXI Robotics) and RoboThespian 3 (Engineered Arts) — specs, pricing, Robo Score, and verified deployments. Updated daily.
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Optimized for Cleaning & Facilities buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- Elf 3 Humanoid RobotChina
- RoboThespian 3United Kingdom
Year First Available
- Elf 3 Humanoid Robot2026
- RoboThespian 32016
Verified Deployments
- Elf 3 Humanoid Robot0 Deployments
- RoboThespian 30 Deployments
Layer 2: Operational
Price
- Elf 3 Humanoid Robot$36,000 USD
- RoboThespian 3Contact for quote
Battery / Shift Runtime
- Elf 3 Humanoid Robot2 hrs
- RoboThespian 3—
Availability Status
- Elf 3 Humanoid RobotACTIVE
- RoboThespian 3ACTIVE
Physical Form Factor
Weight
- Elf 3 Humanoid Robot37 kg
- RoboThespian 333 kg
Height
- Elf 3 Humanoid Robot145 mm
- RoboThespian 3175 mm
Mobility Type
- Elf 3 Humanoid Robotbipedal
- RoboThespian 3bipedal
Humanoid Subtype
- Elf 3 Humanoid Robotfull bipedal
- RoboThespian 3full bipedal
Walking Speed
- Elf 3 Humanoid Robot1 m/s
- RoboThespian 3—
Running Capable
- Elf 3 Humanoid Robotrun capable
- RoboThespian 3—
Stair Climbing
- Elf 3 Humanoid Robotnone
- RoboThespian 3No
Terrain
- Elf 3 Humanoid Robotflat_indoor
- RoboThespian 3flat indoor
Payload & Dexterity
Payload
- Elf 3 Humanoid Robot5 kg
- RoboThespian 3—
Payload (Peak)
- Elf 3 Humanoid Robot10 kg
- RoboThespian 3—
Total DOF
- Elf 3 Humanoid Robot41
- RoboThespian 326
Arm DOF
- Elf 3 Humanoid Robot7
- RoboThespian 3—
Arm Reach
- Elf 3 Humanoid Robot48 cm
- RoboThespian 3—
Bimanual Coordination
- Elf 3 Humanoid Robotindependent
- RoboThespian 3No
Tool Use
- Elf 3 Humanoid Robotnone
- RoboThespian 3—
Compute & AI
Onboard Compute
- Elf 3 Humanoid RobotIntel i7 CPU
- RoboThespian 3Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit
Compute Platform
- Elf 3 Humanoid RobotIntel i7 CPU + optional NVIDIA Jetson
- RoboThespian 3—
VLM Capable
- Elf 3 Humanoid Robotnone
- RoboThespian 3No
Imitation Learning
- Elf 3 Humanoid Robotnone
- RoboThespian 3No
Teleoperation
- Elf 3 Humanoid Robotjoystick, web_interface
- RoboThespian 3—
Programming
- Elf 3 Humanoid Robotcode_python
- RoboThespian 3Python scripting and API support
Battery & Power
Runtime
- Elf 3 Humanoid Robot2 hrs
- RoboThespian 3—
Battery Capacity
- Elf 3 Humanoid Robot0.5 kWh
- RoboThespian 3—
Charging Time
- Elf 3 Humanoid Robot4 hrs
- RoboThespian 3—
Charging Method
- Elf 3 Humanoid Robotmanual swap
- RoboThespian 3—
Battery Swap
- Elf 3 Humanoid RobotYes
- RoboThespian 3No
Avg Power Consumption
- Elf 3 Humanoid Robot28 W
- RoboThespian 3—
Safety
Force-Limited Arms
- Elf 3 Humanoid RobotYes
- RoboThespian 3—
Fall Recovery
- Elf 3 Humanoid RobotYes
- RoboThespian 3—
Human Detection Method
- Elf 3 Humanoid Robotmulti modal
- RoboThespian 3—
Safe Speed Near Humans
- Elf 3 Humanoid Robotnone
- RoboThespian 3—
Software
SDK Languages
- Elf 3 Humanoid RobotROS1
- RoboThespian 3Python
ROS Support
- Elf 3 Humanoid Robotros1 community
- RoboThespian 3No
Simulation Platforms
- Elf 3 Humanoid RobotMuJoCo
- RoboThespian 3—
Open API
- Elf 3 Humanoid Robotopen rest
- RoboThespian 3Yes
Reliability
Deployment Maturity
- Elf 3 Humanoid Robotprototype
- RoboThespian 3commercial
Commercial
Price (USD)
- Elf 3 Humanoid Robot$36,000 USD
- RoboThespian 3Contact for quote
Price Tier
- Elf 3 Humanoid Robot20-40K
- RoboThespian 3—
Pricing Model
- Elf 3 Humanoid Robotcapex
- RoboThespian 3—
Delivery Lead Time
- Elf 3 Humanoid Robot1 mo
- RoboThespian 3—
Warranty
- Elf 3 Humanoid Robot1 yrs
- RoboThespian 31 yrs
Applications
- Elf 3 Humanoid Robotresearch
- RoboThespian 3entertainment, education
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United Kingdom |
| Year First Available (values differ) | 2026 | 2016 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $36,000 USD | Contact for quote |
| Battery / Shift Runtime (priority for Cleaning & Facilities buyers) (values differ) | 2 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Weight (priority for Cleaning & Facilities buyers) (values differ) | 37 kg | 33 kg |
| Height (values differ) | 145 mm | 175 mm |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 1 m/s | — |
| Running Capable (values differ) | run capable | — |
| Stair Climbing (values differ) | none | No |
| Terrain (values differ) | flat_indoor | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 5 kg | — |
| Payload (Peak) (values differ) | 10 kg | — |
| Total DOF (values differ) | 41 | 26 |
| Arm DOF (values differ) | 7 | — |
| Arm Reach (values differ) | 48 cm | — |
| Bimanual Coordination (values differ) | independent | No |
| Tool Use (values differ) | none | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Intel i7 CPU | Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit |
| Compute Platform (values differ) | Intel i7 CPU + optional NVIDIA Jetson | — |
| VLM Capable (values differ) | none | No |
| Imitation Learning (values differ) | none | No |
| Teleoperation (values differ) | joystick, web_interface | — |
| Programming (values differ) | code_python | Python scripting and API support |
| Battery & Power | ||
| Runtime (values differ) | 2 hrs | — |
| Battery Capacity (values differ) | 0.5 kWh | — |
| Charging Time (values differ) | 4 hrs | — |
| Charging Method (values differ) | manual swap | — |
| Battery Swap (values differ) | Yes | No |
| Avg Power Consumption (values differ) | 28 W | — |
| Safety | ||
| Force-Limited Arms (values differ) | Yes | — |
| Fall Recovery (values differ) | Yes | — |
| Human Detection Method (values differ) | multi modal | — |
| Safe Speed Near Humans (values differ) | none | — |
| Software | ||
| SDK Languages (values differ) | ROS1 | Python |
| ROS Support (values differ) | ros1 community | No |
| Simulation Platforms (values differ) | MuJoCo | — |
| Open API (values differ) | open rest | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | prototype | commercial |
| Commercial | ||
| Price (USD) (values differ) | $36,000 USD | Contact for quote |
| Price Tier (values differ) | 20-40K | — |
| Pricing Model (values differ) | capex | — |
| Delivery Lead Time (values differ) | 1 mo | — |
| Warranty | 1 yrs | 1 yrs |
| Applications (values differ) | research | entertainment, education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Hand DOF, Grip Strength, Manipulation Repeatability, Foundation Models, Fall Detection Response, Emergency Stops, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, RaaS / Month, Developer Unit Price, Production Pilots
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | Elf 3 Humanoid Robot | RoboThespian 3 |
|---|---|---|
| Investment | $36,000 | No price |
| Payback period | 8.6 mo | — |
| Net savings (5 yr) | $214,000 | — |
| ROI (5 yr) | +594% | — |
RoboThespian 3 has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes Elf 3 Humanoid Robot and RoboThespian 3?
Elf 3 Humanoid Robot is made by BXI Robotics, based in CN. RoboThespian 3 is made by Engineered Arts, based in GB.
When were Elf 3 Humanoid Robot and RoboThespian 3 launched?
Elf 3 Humanoid Robot launched in 2026. RoboThespian 3 launched in 2016.
How do Elf 3 Humanoid Robot and RoboThespian 3 compare on the Robo Score?
Elf 3 Humanoid Robot scores 55.9 on the Robo Score. RoboThespian 3 scores 68.4. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are Elf 3 Humanoid Robot and RoboThespian 3 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 Elf 3 Humanoid Robot and RoboThespian 3?
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
Elf 3 Humanoid Robot vs RoboThespian 3 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 Score is calculated.