Luma Smart Litter Box vs Litter-Robot 5
Cross-brand multi-cat rivals at a similar price

PETLIBRO Luma Smart Litter Box
Buy now$599.99
Single-unit list price on petlibro.com.
List price · checked Oct 27, 2026Buy now

Whisker Litter-Robot 5
Buy now$799
Whisker lists the unit from $799; the Litter-Robot 5 Pro variant starts at $899.
List price · checked Oct 27, 2026Buy now
Verdict
Luma Smart Litter Box has the lower list price ($599.99 vs $799). On the attributes both makers publish with a clear better direction, the published figures favour Luma Smart Litter Box on 1 and Litter-Robot 5 on 2. This summary uses manufacturer-published data only; we have not tested either model.
Key differences
| Attribute | Luma Smart Litter Box | Litter-Robot 5 |
|---|---|---|
| List price | $599.99 | $799 |
| Maximum cat weight | 22 lbs | 30 lbs |
| Minimum cat weight | 2.2 lbs | 3 lbs |
| Proprietary waste bags required | Yes | No |
| Litter type required | Clumping, tofu and mixed litters; not crystal, pine or ultra-fine | Clumping clay litter |
| Cleaning cycle trigger | After use, confirmed by weight, visual and infrared sensors | Weight sensor starts the cycle after the cat exits; WasteID identifies waste type |
| Odor control method | Carbon deodoriser with sealed drawer liner | WasteID-targeted odor control with sealed waste drawer |
| Power source | Corded electric, 12V/5A adapter | AC power |
Who should buy which
- Choose the Luma Smart Litter Box if you prioritise a lower list price and Minimum cat weight, based on published figures.
- Choose the Litter-Robot 5 if you prioritise Maximum cat weight and Proprietary waste bags required, based on published figures.
Where the published data differs
Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.
- Luma Smart Litter Box lists at $599.99, $199.01 below Litter-Robot 5 at $799.
- Maximum cat weight: Litter-Robot 5 30 lbs versus Luma Smart Litter Box 22 lbs (36% more). Published data favours Litter-Robot 5.
- Minimum cat weight: Litter-Robot 5 3 lbs versus Luma Smart Litter Box 2.2 lbs (36% more). Published data favours Luma Smart Litter Box.
- Proprietary waste bags required: published for Luma Smart Litter Box, not for Litter-Robot 5.
- Litter type required: Luma Smart Litter Box — Clumping, tofu and mixed litters; not crystal, pine or ultra-fine; Litter-Robot 5 — Clumping clay litter.
- Cleaning cycle trigger: Luma Smart Litter Box — After use, confirmed by weight, visual and infrared sensors; Litter-Robot 5 — Weight sensor starts the cycle after the cat exits; WasteID identifies waste type.
- Odor control method: Luma Smart Litter Box — Carbon deodoriser with sealed drawer liner; Litter-Robot 5 — WasteID-targeted odor control with sealed waste drawer.
- Power source: Luma Smart Litter Box — Corded electric, 12V/5A adapter; Litter-Robot 5 — AC power.
Full specification comparison
| Attribute | Luma Smart Litter Box | Litter-Robot 5 |
|---|---|---|
| Multi-cat suitable | Yes | Yes |
| Minimum cat weight | 2.2 lbs | 3 lbs |
| Maximum cat weight | 22 lbs | 30 lbs |
| Waste drawer capacity | 11 L | Not published |
| Litter type required | Clumping, tofu and mixed litters; not crystal, pine or ultra-fine | Clumping clay litter |
| Proprietary litter required | No | No |
| Proprietary waste bags required | Yes | No |
| Subscription required | No | No |
| Cleaning cycle trigger | After use, confirmed by weight, visual and infrared sensors | Weight sensor starts the cycle after the cat exits; WasteID identifies waste type |
| Adjustable cycle delay | Not published | Yes |
| App control | Yes | Yes |
| Weight sensing | Yes | Yes |
| Health monitoring | Yes | Yes |
| Odor control method | Carbon deodoriser with sealed drawer liner | WasteID-targeted odor control with sealed waste drawer |
| Entry height | 17.4 in | Not published |
| Interior dimensions | Not published by either | Not published by either |
| Footprint | 23.3 x 22.5 x 28.1 in | Not published |
| Operating noise | Not published by either | Not published by either |
| Power source | Corded electric, 12V/5A adapter | AC power |
| Battery backup | Not published by either | Not published by either |
| Warranty | Not published | 12 months |
