D2 Delivery Robot vs Relay
Side-by-side comparison of D2 Delivery Robot (Optimus Robo) and Relay (Relay Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- D2 Delivery RobotSingapore
- RelayUnited States
Year First Available
- D2 Delivery Robot—
- Relay2014
Verified Deployments
- D2 Delivery Robot0 Deployments
- Relay0 Deployments
Layer 2: Operational
Price
- D2 Delivery Robot$10,995 USD
- Relay$26,000 USD
Battery / Shift Runtime
- D2 Delivery Robot8 hrs
- Relay16 hrs
Availability Status
- D2 Delivery RobotACTIVE
- RelayACTIVE
Physical
Payload
- D2 Delivery Robot40 kg
- Relay—
IP Rating
- D2 Delivery RobotIP42
- Relay—
Robot Weight
- D2 Delivery Robot50 kg
- Relay—
Dimensions
- D2 Delivery Robot530 x 500 x 1455
- Relay—
Compartment Type
- D2 Delivery Robot—
- Relayhybrid
Navigation & Safety
Navigation Type
- D2 Delivery RobotSLAM
- Relaylidar slam,vision
Power
Battery Runtime
- D2 Delivery Robot8 hrs
- Relay16 hrs
Charge Time
- D2 Delivery Robot4 hrs
- Relay—
Auto Docking
- D2 Delivery Robot—
- RelayYes
Integration
Elevator API
- D2 Delivery Robot—
- RelayYes
Floor Compatibility
- D2 Delivery Robot—
- Relayhard floor,carpet
Commercial
Price (USD)
- D2 Delivery Robot$10,995 USD
- Relay$26,000 USD
Warranty
- D2 Delivery Robot1 yrs
- Relay—
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Singapore | United States |
| Year First Available (values differ) | — | 2014 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $10,995 USD | $26,000 USD |
| Battery / Shift Runtime (priority for Last-Mile Delivery buyers) (values differ) | 8 hrs | 16 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical | ||
| Payload (priority for Last-Mile Delivery buyers) (values differ) | 40 kg | — |
| IP Rating (priority for Last-Mile Delivery buyers) (values differ) | IP42 | — |
| Robot Weight (values differ) | 50 kg | — |
| Dimensions (values differ) | 530 x 500 x 1455 | — |
| Compartment Type (values differ) | — | hybrid |
| Navigation & Safety | ||
| Navigation Type (values differ) | SLAM | lidar slam,vision |
| Power | ||
| Battery Runtime (priority for Last-Mile Delivery buyers) (values differ) | 8 hrs | 16 hrs |
| Charge Time (values differ) | 4 hrs | — |
| Auto Docking (values differ) | — | Yes |
| Integration | ||
| Elevator API (values differ) | — | Yes |
| Floor Compatibility (values differ) | — | hard floor,carpet |
| Commercial | ||
| Price (USD) (values differ) | $10,995 USD | $26,000 USD |
| Warranty (values differ) | 1 yrs | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Tray Count, Tray Capacity, Max Speed, Min Passable Width, Obstacle Detection Range, Min Object Detection Height, Hot-Swap Battery, PMS / POS Integration, Fleet Management, Noise Level, Display Size, RaaS / Month
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 | D2 Delivery Robot | Relay |
|---|---|---|
| Investment | $10,995 | $26,000 |
| Payback period | 2.6 mo | 6.2 mo |
| Net savings (5 yr) | $239,005 | $224,000 |
| ROI (5 yr) | +2174% | +862% |
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 D2 Delivery Robot and Relay?
D2 Delivery Robot is made by Optimus Robo, based in SG. Relay is made by Relay Robotics, based in US.
How much does D2 Delivery Robot cost compared to Relay?
D2 Delivery Robot is listed at $10,995. Relay is listed at $26,000.
How do D2 Delivery Robot and Relay compare on the Robo Index?
D2 Delivery Robot grades BBB on the Robo Index. Relay grades AA. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are D2 Delivery Robot and Relay in the same category?
Both robots are classified as Delivery on Robolist. Filters and ranking treat them as direct alternatives.
What should a buyer ask vendors when choosing between D2 Delivery Robot and Relay?
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
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
D2 Delivery Robot vs Relay compares two robots in the delivery category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.