AlphaBot 2 vs RoboThespian 3
Side-by-side comparison of AlphaBot 2 (AI² Robotics) and RoboThespian 3 (Engineered Arts) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- AlphaBot 2China
- RoboThespian 3United Kingdom
Year First Available
- AlphaBot 22025
- RoboThespian 32016
Verified Deployments
- AlphaBot 20 Deployments
- RoboThespian 30 Deployments
Layer 2: Operational
Battery / Shift Runtime
- AlphaBot 26 hrs
- RoboThespian 3—
Availability Status
- AlphaBot 2ACTIVE
- RoboThespian 3ACTIVE
Physical Form Factor
Height
- AlphaBot 2—
- RoboThespian 3175 mm
Weight
- AlphaBot 2—
- RoboThespian 333 kg
Mobility Type
- AlphaBot 2bipedal
- RoboThespian 3bipedal
Humanoid Subtype
- AlphaBot 2full bipedal
- RoboThespian 3full bipedal
Running Capable
- AlphaBot 2static walk
- RoboThespian 3—
Stair Climbing
- AlphaBot 2Yes
- RoboThespian 3No
Terrain
- AlphaBot 2flat indoor, uneven outdoor
- RoboThespian 3flat indoor
Payload & Dexterity
Total DOF
- AlphaBot 234
- RoboThespian 326
Arm Reach
- AlphaBot 270 cm
- RoboThespian 3—
Manipulation Repeatability
- AlphaBot 2±0.02 mm
- RoboThespian 3—
Bimanual Coordination
- AlphaBot 2Yes
- RoboThespian 3No
Tool Use
- AlphaBot 2production validated
- RoboThespian 3—
Compute & AI
Onboard Compute
- AlphaBot 2Alpha Brain
- RoboThespian 3Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit
Compute Platform
- AlphaBot 2ATMEGA328P-AU (8-bit AVR, 16 MHz)
- RoboThespian 3—
VLM Capable
- AlphaBot 2No
- RoboThespian 3No
Foundation Models
- AlphaBot 2Alpha Brain GOVLA
- RoboThespian 3—
Imitation Learning
- AlphaBot 2No
- RoboThespian 3No
Teleoperation
- AlphaBot 2none
- RoboThespian 3—
Programming
- AlphaBot 2VLA (Vision-Language-Action)
- RoboThespian 3Python scripting and API support
Battery & Power
Runtime
- AlphaBot 26 hrs
- RoboThespian 3—
Charging Method
- AlphaBot 2manual swap
- RoboThespian 3—
Battery Swap
- AlphaBot 2No
- RoboThespian 3No
Safety
Force-Limited Arms
- AlphaBot 2Yes
- RoboThespian 3—
Fall Recovery
- AlphaBot 2Yes
- RoboThespian 3—
Human Detection Method
- AlphaBot 2multi modal
- RoboThespian 3—
Safe Speed Near Humans
- AlphaBot 2none
- RoboThespian 3—
Software
SDK Languages
- AlphaBot 2Python, ROS2
- RoboThespian 3Python
ROS Support
- AlphaBot 2ros2 vendor
- RoboThespian 3No
Open API
- AlphaBot 2open rest websocket
- RoboThespian 3Yes
Air-Gap Capable
- AlphaBot 2Yes
- RoboThespian 3—
Reliability
Deployment Maturity
- AlphaBot 2commercial
- RoboThespian 3commercial
Commercial
Price Tier
- AlphaBot 2150K+
- RoboThespian 3—
Pricing Model
- AlphaBot 2capex, pilot_fee
- RoboThespian 3—
Warranty
- AlphaBot 2—
- RoboThespian 31 yrs
Production Pilots
- AlphaBot 2Huaxi Bio (华熙生物)
- RoboThespian 3—
Applications
- AlphaBot 2assembly, inspection, warehouse_transport, hospitality
- RoboThespian 3entertainment, education
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United Kingdom |
| Year First Available (values differ) | 2025 | 2016 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Battery / Shift Runtime (values differ) | 6 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | — | 175 mm |
| Weight (values differ) | — | 33 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Running Capable (values differ) | static walk | — |
| Stair Climbing (values differ) | Yes | No |
| Terrain (values differ) | flat indoor, uneven outdoor | flat indoor |
| Payload & Dexterity | ||
| Total DOF (values differ) | 34 | 26 |
| Arm Reach (values differ) | 70 cm | — |
| Manipulation Repeatability (values differ) | ±0.02 mm | — |
| Bimanual Coordination (values differ) | Yes | No |
| Tool Use (values differ) | production validated | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Alpha Brain | Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit |
| Compute Platform (values differ) | ATMEGA328P-AU (8-bit AVR, 16 MHz) | — |
| VLM Capable | No | No |
| Foundation Models (values differ) | Alpha Brain GOVLA | — |
| Imitation Learning | No | No |
| Teleoperation (values differ) | none | — |
| Programming (values differ) | VLA (Vision-Language-Action) | Python scripting and API support |
| Battery & Power | ||
| Runtime (values differ) | 6 hrs | — |
| Charging Method (values differ) | manual swap | — |
| Battery Swap | No | No |
| 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) | Python, ROS2 | Python |
| ROS Support (values differ) | ros2 vendor | No |
| Open API (values differ) | open rest websocket | Yes |
| Air-Gap Capable (values differ) | Yes | — |
| Reliability | ||
| Deployment Maturity | commercial | commercial |
| Commercial | ||
| Price Tier (values differ) | 150K+ | — |
| Pricing Model (values differ) | capex, pilot_fee | — |
| Warranty (values differ) | — | 1 yrs |
| Production Pilots (values differ) | Huaxi Bio (华熙生物) | — |
| Applications (values differ) | assembly, inspection, warehouse_transport, hospitality | entertainment, education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, Walking Speed, Payload, Payload (Peak), Arm DOF, Hand DOF, Grip Strength, Battery Capacity, Charging Time, Avg Power Consumption, Fall Detection Response, Emergency Stops, Simulation Platforms, MTBF, Task Success Rate, IP Rating, Noise Level, Price (USD), RaaS / Month, Developer Unit Price, Delivery Lead Time
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 | AlphaBot 2 | RoboThespian 3 |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
AlphaBot 2, RoboThespian 3 have 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 AlphaBot 2 and RoboThespian 3?
AlphaBot 2 is made by AI² Robotics, based in CN. RoboThespian 3 is made by Engineered Arts, based in GB.
When were AlphaBot 2 and RoboThespian 3 launched?
AlphaBot 2 launched in 2025. RoboThespian 3 launched in 2016.
How do AlphaBot 2 and RoboThespian 3 compare on the Robo Index?
AlphaBot 2 grades AA on the Robo Index. RoboThespian 3 grades AA. 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.
Are AlphaBot 2 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 AlphaBot 2 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
AlphaBot 2 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 Index is calculated.