Side-by-side comparison of CLOi ServeBot (LG Electronics Inc. — Business Solutions Company) and PETRA (MetraLabs) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
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Manufacturer Country

Year First Available

Verified Deployments

Price Range (USD)

Availability Status

Payload

Tray Count

Compartment Type

Navigation Type

Auto Docking

Fleet Management

Floor Compatibility

Display Size

Price (USD)

![]() | ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | South Korea | — |
| Year First Available (values differ) | 2017 | 2013 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $11,496 | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical | ||
| Payload (values differ) | 30 kg | — |
| Tray Count (values differ) | 3 | — |
| Compartment Type (values differ) | closed drawer | open trays |
| Navigation & Safety | ||
| Navigation Type (values differ) | slam natural | lidar slam,natural landmark |
| Power | ||
| Auto Docking (values differ) | — | Yes |
| Integration | ||
| Fleet Management (values differ) | — | centralized cloud |
| Floor Compatibility (values differ) | — | hard floor |
| Display & UX | ||
| Display Size (values differ) | 9.2 " | — |
| Commercial | ||
| Price (USD) (values differ) | $11,496 | Contact for quote |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Robot Weight, Dimensions, IP Rating, Max Speed, Min Passable Width, Battery Runtime, Charge Time, Hot-Swap Battery, Elevator API, PMS / POS Integration, Voice Interaction, Noise Level, Languages Supported, RaaS / Month, Warranty
Frequently asked
CLOi ServeBot is made by LG Electronics Inc. — Business Solutions Company, based in KR. PETRA is made by MetraLabs.
CLOi ServeBot launched in 2017. PETRA launched in 2013.
CLOi ServeBot scores 34/100. PETRA scores 0/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Both robots are classified as Hospitality Service on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Hospitality Service TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Service Robot SLAs and Contract Red Flags.
Going deeper — picking the right robot
Service Robot TCO Across Hotels, Restaurants, Retail, and Senior Care
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Service Robot SLAs and Contract Red Flags
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Service Robot Pilot: A 60-Day Evaluation Framework
10 min readService 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
CLOi ServeBot vs PETRA compares two robots in the hospitality-service category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.