Side-by-side comparison of k0 (Robot.com) and S31 (Fujian Hantewin Intelligent Technology Co., Ltd.) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Manufacturer Country

Year First Available

Verified Deployments

Price Range (USD)

Battery / Shift Runtime

Availability Status

Cross-Category Comparison
Showing shared foundation fields. Select robots from the same category for full spec comparison.
| Layer 1: Identity & Trust | ||
| Manufacturer Country | China | China |
| Year First Available (values differ) | 2026 | 2025 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $4,999 | $9,600 |
| Battery / Shift Runtime (values differ) | 2 hrs | 10 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
Cross-Category Comparison Showing shared foundation fields. Select robots from the same category for full spec comparison. | ||
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Reach, IP Rating, Autonomy Level
Frequently asked
k0 is made by Robot.com, based in CN. S31 is made by Fujian Hantewin Intelligent Technology Co., Ltd., based in CN.
k0 launched in 2026. S31 launched in 2025.
k0 is listed at $4,999. S31 is listed at $9,600.
k0 scores 64/100. S31 scores 53/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
k0 carries up to 20 kg. S31 carries up to 30 kg.
k0 is categorized as Delivery; S31 as Hospitality Service. The Product Score is calculated per category, so the absolute scores reflect their respective category tiers.
Hardware cost is one input. Delivery And 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: Delivery Robot Vendor Selection: Insurance, Telemetry, and Fallback Procedures.
Going deeper — picking the right robot
Delivery Robot Vendor Selection: Insurance, Telemetry, and Fallback Procedures
9 min readDelivery Robots
Last-Mile Delivery Pilots: 90 Days to a Decision
7 min readDelivery Robots
Indoor vs Outdoor Delivery: Why the Cost Gap Is Larger Than It Looks
7 min readDelivery Robots
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
k0 vs S31 compares two robots in the delivery and hospitality-service categories. 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.