P1 Biped vs RoboThespian 3
Side-by-side comparison of P1 Biped (LimX Dynamics Technology Co., Ltd) and RoboThespian 3 (Engineered Arts) — specs, pricing, Robo Score, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
- P1 BipedChina
- RoboThespian 3United Kingdom
Year First Available
- P1 Biped2024
- RoboThespian 32016
Verified Deployments
- P1 Biped0 Deployments
- RoboThespian 30 Deployments
Layer 2: Operational
Battery / Shift Runtime
- P1 Biped2 hrs
- RoboThespian 3—
Availability Status
- P1 BipedACTIVE
- RoboThespian 3ACTIVE
Physical Form Factor
Height
- P1 Biped78 mm
- RoboThespian 3175 mm
Weight
- P1 Biped20 kg
- RoboThespian 333 kg
Mobility Type
- P1 Bipedbipedal
- RoboThespian 3bipedal
Humanoid Subtype
- P1 Bipedfull bipedal
- RoboThespian 3full bipedal
Walking Speed
- P1 Biped0.5 m/s
- RoboThespian 3—
Stair Climbing
- P1 Biped—
- RoboThespian 3No
Terrain
- P1 Bipedrough_indoor, outdoor_unstructured
- RoboThespian 3flat indoor
Payload & Dexterity
Payload
- P1 Biped15 kg
- RoboThespian 3—
Total DOF
- P1 Biped—
- RoboThespian 326
Bimanual Coordination
- P1 Biped—
- RoboThespian 3No
Compute & AI
Onboard Compute
- P1 Biped11th Gen i7/16GB/512GB Wi-Fi6
- RoboThespian 3Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit
Compute Platform
- P1 BipedIntel Core embedded computer
- RoboThespian 3—
VLM Capable
- P1 Biped—
- RoboThespian 3No
Imitation Learning
- P1 Biped—
- RoboThespian 3No
Programming
- P1 Biped—
- RoboThespian 3Python scripting and API support
Battery & Power
Runtime
- P1 Biped2 hrs
- RoboThespian 3—
Charging Method
- P1 Bipedmanual swap
- RoboThespian 3—
Battery Swap
- P1 BipedYes
- RoboThespian 3No
Software
SDK Languages
- P1 Biped—
- RoboThespian 3Python
ROS Support
- P1 Biped—
- RoboThespian 3No
Simulation Platforms
- P1 BipedGazebo, MuJoCo, Isaac Gym
- RoboThespian 3—
Open API
- P1 Biped—
- RoboThespian 3Yes
Reliability
Deployment Maturity
- P1 Bipedprototype
- RoboThespian 3commercial
Commercial
Warranty
- P1 Biped—
- RoboThespian 31 yrs
Applications
- P1 Bipedresearch
- RoboThespian 3entertainment, education
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United Kingdom |
| Year First Available (values differ) | 2024 | 2016 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Battery / Shift Runtime (values differ) | 2 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 78 mm | 175 mm |
| Weight (values differ) | 20 kg | 33 kg |
| Mobility Type | bipedal | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | 0.5 m/s | — |
| Stair Climbing (values differ) | — | No |
| Terrain (values differ) | rough_indoor, outdoor_unstructured | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | 15 kg | — |
| Total DOF (values differ) | — | 26 |
| Bimanual Coordination (values differ) | — | No |
| Compute & AI | ||
| Onboard Compute (values differ) | 11th Gen i7/16GB/512GB Wi-Fi6 | Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit |
| Compute Platform (values differ) | Intel Core embedded computer | — |
| VLM Capable (values differ) | — | No |
| Imitation Learning (values differ) | — | No |
| Programming (values differ) | — | Python scripting and API support |
| Battery & Power | ||
| Runtime (values differ) | 2 hrs | — |
| Charging Method (values differ) | manual swap | — |
| Battery Swap (values differ) | Yes | No |
| Software | ||
| SDK Languages (values differ) | — | Python |
| ROS Support (values differ) | — | No |
| Simulation Platforms (values differ) | Gazebo, MuJoCo, Isaac Gym | — |
| Open API (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | prototype | commercial |
| Commercial | ||
| Warranty (values differ) | — | 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: Price, Running Capable, Payload (Peak), Arm DOF, Hand DOF, Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Foundation Models, Teleoperation, Battery Capacity, Charging Time, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, Price (USD), Price Tier, RaaS / Month, Pricing Model, Developer Unit Price, Delivery Lead Time, 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 | P1 Biped | RoboThespian 3 |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
P1 Biped, 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 P1 Biped and RoboThespian 3?
P1 Biped is made by LimX Dynamics Technology Co., Ltd, based in CN. RoboThespian 3 is made by Engineered Arts, based in GB.
When were P1 Biped and RoboThespian 3 launched?
P1 Biped launched in 2024. RoboThespian 3 launched in 2016.
How do P1 Biped and RoboThespian 3 compare on the Robo Score?
P1 Biped scores 45.6 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 P1 Biped 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 P1 Biped 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
P1 Biped 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.