The Best Automatic Litter Boxes Tested by Our Spoiled Cats
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I can confidently say that having an automatic litter box has been the biggest game changer for me when it comes to cat ownership. I can’t recommend them enough. They can be pricey, but never having to scoop poop again is priceless.
We at WIRED—well, our WIRED cats—tested a dozen of the highest-rated and most technologically advanced automatic litter boxes on the market for at least a week, often more (using standard clay clumping litter unless otherwise indicated), to see if they were really worth the money—or the hype. Our new favorite automatic litter box is the Purobot Max Pro 2 because of its compact design and camera for monitoring. The Litter-Robot 4 is a close second, mostly because of its LitterHopper attachment th
Details
Check out our related guides, like the Best Automatic Feeders, Best Cat Water Fountains, Best Pet Cameras, and Best Cat Toys. More of a dog person? We’ve got you covered; see our Best Dog Accessories.
Updated July 2026: We’ve added the Oneisall Ease S1 Self-Cleaning Litter Box and Lesure Self-Cleaning Electronic Litter Box and updated links and prices throughout.
| Connected to an app? | Entry size | Footprint size | Compatible litter | Suitable cat size | Special features | |
Analysis
|—|—|—|—|—|—|—|
| Petkit Purobot Max Pro 2 | Yes | 10.7 x 10.5 inches | 21.2 x 25.9 inches | Any clumping litter with granules shorter than 0.5 inches | From 6 months old or weighing 3.3 to 22.1 pounds | AI-powered camera; deodorizing cartridges |
| Whisker Litter-Robot 4 | Yes | 15.75 x 15.75 inches | 22 x 27 inches | Clumping or scoopable clay litter (translucent or crystal may affect litter level monitoring) | 4 pounds minimum, no maximum | LitterHopper auto-refill attachment |
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