Care-O-bot 4 vs Little Blue Hat
Side-by-side comparison of Care-O-bot 4 (Fraunhofer IPA and Mojin Robotics) and Little Blue Hat (AoBo Robotics) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Hospitality & F&B buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Year First Available
- Care-O-bot 42015
- Little Blue Hat2022
Verified Deployments
- Care-O-bot 40 Deployments
- Little Blue Hat0 Deployments
Layer 2: Operational
Price Range (USD)
- Care-O-bot 4$66,000
- Little Blue Hat$32
Battery / Shift Runtime
- Care-O-bot 45 hrs
- Little Blue Hat8 hrs
Availability Status
- Care-O-bot 4ACTIVE
- Little Blue HatACTIVE
Physical
Payload
- Care-O-bot 45 kg
- Little Blue Hat40 kg
Robot Weight
- Care-O-bot 4180 kg
- Little Blue Hat50 kg
Navigation & Safety
Navigation Type
- Care-O-bot 4lidar slam
- Little Blue Hatlidar slam
Power
Battery Runtime
- Care-O-bot 45 hrs
- Little Blue Hat8 hrs
Charge Time
- Care-O-bot 4—
- Little Blue Hat4 hrs
Commercial
Price (USD)
- Care-O-bot 4$66,000
- Little Blue Hat$32
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Year First Available (values differ) | 2015 | 2022 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $66,000 | $32 |
| Battery / Shift Runtime (priority for Hospitality & F&B buyers) (values differ) | 5 hrs | 8 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical | ||
| Payload (priority for Hospitality & F&B buyers) (values differ) | 5 kg | 40 kg |
| Robot Weight (priority for Hospitality & F&B buyers) (values differ) | 180 kg | 50 kg |
| Navigation & Safety | ||
| Navigation Type (values differ) | lidar slam | lidar slam |
| Power | ||
| Battery Runtime (priority for Hospitality & F&B buyers) (values differ) | 5 hrs | 8 hrs |
| Charge Time (values differ) | — | 4 hrs |
| Commercial | ||
| Price (USD) (values differ) | $66,000 | $32 |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Manufacturer Country, Tray Count, Compartment Type, Dimensions, IP Rating, Max Speed, Min Passable Width, Auto Docking, Hot-Swap Battery, Elevator API, PMS / POS Integration, Fleet Management, Floor Compatibility, Display Size, Voice Interaction, Noise Level, Languages Supported, RaaS / Month, Warranty
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes Care-O-bot 4 and Little Blue Hat?
Care-O-bot 4 is made by Fraunhofer IPA and Mojin Robotics. Little Blue Hat is made by AoBo Robotics.
When were Care-O-bot 4 and Little Blue Hat launched?
Care-O-bot 4 launched in 2015. Little Blue Hat launched in 2022.
How much does Care-O-bot 4 cost compared to Little Blue Hat?
Care-O-bot 4 is listed at $66,000. Little Blue Hat is listed at $32.
How do Care-O-bot 4 and Little Blue Hat compare on the Robolist Product Score?
Care-O-bot 4 scores 33/100. Little Blue Hat scores 56/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Are Care-O-bot 4 and Little Blue Hat in the same category?
Both robots are classified as Hospitality Service on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Hospitality Service robots?
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.
What should a buyer ask vendors when choosing between Care-O-bot 4 and Little Blue Hat?
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
9 min readService Robots
Service Robot SLAs and Contract Red Flags
10 min readService Robots
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
About this comparison
Care-O-bot 4 vs Little Blue Hat 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.