Lumos NIX S3 vs RoboThespian 3
Side-by-side comparison of Lumos NIX S3 (Lumos Robotics) and RoboThespian 3 (Engineered Arts) — specs, pricing, Robo Score, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
- Lumos NIX S3China

- RoboThespian 3United Kingdom

Year First Available
- Lumos NIX S3—

- RoboThespian 32016

Layer 2: Operational
Battery / Shift Runtime
- Lumos NIX S32 hrs

- RoboThespian 3—

Availability Status
- Lumos NIX S3ACTIVE

- RoboThespian 3ACTIVE

Physical Form Factor
Height
- Lumos NIX S3—

- RoboThespian 3175 mm

Weight
- Lumos NIX S3—

- RoboThespian 333 kg

Mobility Type
- Lumos NIX S3—

- RoboThespian 3bipedal

Humanoid Subtype
- Lumos NIX S3bipedal

- RoboThespian 3full bipedal

Stair Climbing
- Lumos NIX S3—

- RoboThespian 3No

Terrain
- Lumos NIX S3—

- RoboThespian 3flat indoor

Payload & Dexterity
Total DOF
- Lumos NIX S3—

- RoboThespian 326

Bimanual Coordination
- Lumos NIX S3—

- RoboThespian 3No

Compute & AI
Onboard Compute
- Lumos NIX S3—

- RoboThespian 3Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit

VLM Capable
- Lumos NIX S3—

- RoboThespian 3No

Imitation Learning
- Lumos NIX S3—

- RoboThespian 3No

Programming
- Lumos NIX S3—

- RoboThespian 3Python scripting and API support

Battery & Power
Battery Swap
- Lumos NIX S3—

- RoboThespian 3No

Software
SDK Languages
- Lumos NIX S3—

- RoboThespian 3Python

ROS Support
- Lumos NIX S3—

- RoboThespian 3No

Open API
- Lumos NIX S3—

- RoboThespian 3Yes

Reliability
Deployment Maturity
- Lumos NIX S3—

- RoboThespian 3commercial

Commercial
Warranty
- Lumos NIX S3—

- RoboThespian 31 yrs

Applications
- Lumos NIX S3—

- RoboThespian 3entertainment, education

![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United Kingdom |
| Year First Available (values differ) | — | 2016 |
| Layer 2: Operational | ||
| Battery / Shift Runtime (values differ) | 2 hrs | — |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | — | 175 mm |
| Weight (values differ) | — | 33 kg |
| Mobility Type (values differ) | — | bipedal |
| Humanoid Subtype (values differ) | bipedal | full bipedal |
| Stair Climbing (values differ) | — | No |
| Terrain (values differ) | — | flat indoor |
| Payload & Dexterity | ||
| Total DOF (values differ) | — | 26 |
| Bimanual Coordination (values differ) | — | No |
| Compute & AI | ||
| Onboard Compute (values differ) | — | Intel dual-core CPU, multiple Marvell and Parallax microcontrollers, external Intel Core i7 control unit |
| VLM Capable (values differ) | — | No |
| Imitation Learning (values differ) | — | No |
| Programming (values differ) | — | Python scripting and API support |
| Battery & Power | ||
| Battery Swap (values differ) | — | No |
| Software | ||
| SDK Languages (values differ) | — | Python |
| ROS Support (values differ) | — | No |
| Open API (values differ) | — | Yes |
| Reliability | ||
| Deployment Maturity (values differ) | — | commercial |
| Commercial | ||
| Warranty (values differ) | — | 1 yrs |
| Applications (values differ) | — | entertainment, education |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Verified Deployments, Price, Walking Speed, Running Capable, Payload, Payload (Peak), Arm DOF, Hand DOF, Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Compute Platform, Foundation Models, Teleoperation, Runtime, Battery Capacity, Charging Time, Charging Method, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, Simulation Platforms, 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 | Lumos NIX S3 | RoboThespian 3 |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
Lumos NIX S3, 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 Lumos NIX S3 and RoboThespian 3?
Lumos NIX S3 is made by Lumos Robotics, based in CN. RoboThespian 3 is made by Engineered Arts, based in GB.
Are Lumos NIX S3 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 Lumos NIX S3 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
Lumos NIX S3 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.