HKM1800 vs Stretch 3
Side-by-side comparison of HKM1800 (Cognibotics) and Stretch 3 (Hello Robot) — specs, pricing, Robo Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Warehousing & Logistics buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- HKM1800Sweden
- Stretch 3United States
Verified Deployments
- HKM18000 Deployments
- Stretch 30 Deployments
Layer 2: Operational
Price
- HKM1800Contact for quote
- Stretch 3$24,950 USD
Battery / Shift Runtime
- HKM1800—
- Stretch 32.5 hrs
Availability Status
- HKM1800ACTIVE
- Stretch 3ACTIVE
Layer 3: Category Specific
Payload Capacity
- HKM18007.5 kg
- Stretch 32 kg
Reach
- HKM18001,800 mm
- Stretch 3—
IP Rating
- HKM1800indoor_only
- Stretch 3—
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Sweden | United States |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | Contact for quote | $24,950 USD |
| Battery / Shift Runtime (priority for Warehousing & Logistics buyers) (values differ) | — | 2.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Payload Capacity (priority for Warehousing & Logistics buyers) (values differ) | 7.5 kg | 2 kg |
| Reach (values differ) | 1,800 mm | — |
| IP Rating (values differ) | indoor_only | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Max Speed, Autonomy Level
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 | HKM1800 | Stretch 3 |
|---|---|---|
| Investment | No price | $24,950 |
| Payback period | — | 6.0 mo |
| Net savings (5 yr) | — | $225,050 |
| ROI (5 yr) | — | +902% |
HKM1800 has 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 HKM1800 and Stretch 3?
HKM1800 is made by Cognibotics, based in SE. Stretch 3 is made by Hello Robot, based in US.
How do HKM1800 and Stretch 3 compare on the Robo Score?
HKM1800 scores 46.2 on the Robo Score. Stretch 3 scores 45.4. 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.
What is the payload difference between HKM1800 and Stretch 3?
HKM1800 carries up to 7.5 kg. Stretch 3 carries up to 2 kg.
Are HKM1800 and Stretch 3 in the same category?
Both robots are classified as Mobile Manipulator on Robolist. Filters and ranking treat them as direct alternatives.
What should a buyer ask vendors when choosing between HKM1800 and Stretch 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: The mobile manipulator vendor RFP: questions and red flags.
Going deeper — picking the right robot
The mobile manipulator vendor RFP: questions and red flags
10 min readMobile Manipulators
A 90-day playbook for your first mobile manipulation task
9 min readMobile Manipulators
Decision framework: mobile manipulator vs fixed arm vs AMR + manual
7 min readMobile Manipulators
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
Want to be notified when specs or pricing change for these robots? Drop your email.
Other comparisons
About this comparison
HKM1800 vs Stretch 3 compares two robots in the mobile-manipulator 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.