Relay vs Saymo
Side-by-side comparison of Relay (Relay Robotics) and Saymo (Serve Robotics Inc.) — specs, pricing, Robo Index, 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
- RelayUnited States
- SaymoUnited States
Year First Available
- Relay2014
- Saymo2024
Verified Deployments
- Relay0 Deployments
- Saymo0 Deployments
Layer 2: Operational
Price
- Relay$26,000 USD
- SaymoContact for quote
Battery / Shift Runtime
- Relay16 hrs
- Saymo12 hrs
Availability Status
- RelayACTIVE
- SaymoACTIVE
Physical
Payload
- Relay—
- Saymo30 kg
Robot Weight
- Relay—
- Saymo59 kg
Dimensions
- Relay—
- Saymo440x430x1040
Tray Count
- Relay—
- Saymo2
Tray Capacity
- Relay—
- Saymo10 kg
Compartment Type
- Relayhybrid
- Saymoopen trays
IP Rating
- Relay—
- SaymoIP67
Navigation & Safety
Navigation Type
- Relaylidar slam,vision
- Saymolidar slam
Max Speed
- Relay—
- Saymo4.9 m/s
Power
Battery Runtime
- Relay16 hrs
- Saymo12 hrs
Charge Time
- Relay—
- Saymo4 hrs
Auto Docking
- RelayYes
- SaymoYes
Integration
Elevator API
- RelayYes
- SaymoYes
PMS / POS Integration
- Relay—
- SaymoYes
Fleet Management
- Relay—
- Saymocentralized cloud
Floor Compatibility
- Relayhard floor,carpet
- Saymohard floor,low pile carpet
Commercial
Price (USD)
- Relay$26,000 USD
- SaymoContact for quote
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | United States | United States |
| Year First Available (values differ) | 2014 | 2024 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $26,000 USD | Contact for quote |
| Battery / Shift Runtime (priority for Warehousing & Logistics buyers) (values differ) | 16 hrs | 12 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical | ||
| Payload (priority for Warehousing & Logistics buyers) (values differ) | — | 30 kg |
| Robot Weight (values differ) | — | 59 kg |
| Dimensions (values differ) | — | 440x430x1040 |
| Tray Count (values differ) | — | 2 |
| Tray Capacity (values differ) | — | 10 kg |
| Compartment Type (values differ) | hybrid | open trays |
| IP Rating (values differ) | — | IP67 |
| Navigation & Safety | ||
| Navigation Type (values differ) | lidar slam,vision | lidar slam |
| Max Speed (values differ) | — | 4.9 m/s |
| Power | ||
| Battery Runtime (priority for Warehousing & Logistics buyers) (values differ) | 16 hrs | 12 hrs |
| Charge Time (values differ) | — | 4 hrs |
| Auto Docking | Yes | Yes |
| Integration | ||
| Elevator API (values differ) | Yes | Yes |
| PMS / POS Integration (values differ) | — | Yes |
| Fleet Management (values differ) | — | centralized cloud |
| Floor Compatibility (values differ) | hard floor,carpet | hard floor,low pile carpet |
| Commercial | ||
| Price (USD) (values differ) | $26,000 USD | Contact for quote |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Min Passable Width, Obstacle Detection Range, Min Object Detection Height, Hot-Swap Battery, Noise Level, Display Size, RaaS / Month, Warranty
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 | Relay | Saymo |
|---|---|---|
| Investment | $26,000 | No price |
| Payback period | 6.2 mo | — |
| Net savings (5 yr) | $224,000 | — |
| ROI (5 yr) | +862% | — |
Saymo 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 Relay and Saymo?
Relay is made by Relay Robotics, based in US. Saymo is made by Serve Robotics Inc., based in US.
When were Relay and Saymo launched?
Relay launched in 2014. Saymo launched in 2024.
How do Relay and Saymo compare on the Robo Index?
Relay grades AA on the Robo Index. Saymo grades BBB. 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 Relay and Saymo 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 Relay and Saymo?
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
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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
Relay vs Saymo 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.