Compare the
whole robot.

Pet-like

Social

Pet-like

Best understood as a premium, mobile character rather than a utility robot: unusually expressive and technically sophisticated, but expensive and deeply tied to Sony’s service.

A distinct design philosophy: it intentionally asks for attention rather than completing chores. The physical warmth and gaze behavior are central; regional access and required service are the practical barriers.

A strong option for people who want quiet, tactile companionship without cameras or speech transcripts. Its narrow behavior set is the point, not a missing feature.

Expressive pet-like companionship · Households with open floor space · Owners who value movement and personality

Tactile, expressive companionship · People comfortable nurturing a character · Homes without stairs in its roaming area

Calm tactile interaction · Camera-averse homes · Small spaces and seated use

Low-maintenance ownership · Offline-first households · Homes where cameras and cloud biometrics are unacceptable

Utility or household tasks · Subscription-averse buyers · Markets without official support

Open-ended conversation · Independent roaming · People expecting task assistance

Voice · Touch · Gaze · Movement · Mobile app

Touch · Gaze · Voice cues · Movement · Mobile app

Touch · Voice characteristics · Movement · Sound · Mobile app

Available. Available from Sony in the United States and Japan; service terms vary by region.

Region-limited. Actively sold, principally in Japan, with a required ongoing service plan.

Available. Sold through CASIO in Japan and the United States; colors and support vary.

United States: $3,199.99 US, including the initial 3-year AI Cloud Plan · Japan: Current Japan hardware and service price not captured in this review

Japan: ¥577,500 in Japan

United States: $429 US · Japan: ¥59,400 Japan

United States: 300 USD/year · Japan: Required; current amount not captured

Japan: 9,900 JPY/month

United States: No required recurring plan documented · Japan: No required recurring plan documented

≈ $3,199.99 USD over 1 year · current required plan held constant · United States snapshot

≈ ¥696,300 JPY over 1 year · current required plan held constant · Japan snapshot

≈ $429 USD over 1 year · required plans: none · United States snapshot

≈ $3,199.99 USD over 3 years · current required plan held constant · United States snapshot

≈ ¥933,900 JPY over 3 years · current required plan held constant · Japan snapshot

≈ $429 USD over 3 years · required plans: none · United States snapshot

≈ $3,799.99 USD over 5 years · current required plan held constant · United States snapshot

≈ ¥1,171,500 JPY over 5 years · current required plan held constant · Japan snapshot

≈ $429 USD over 5 years · required plans: none · United States snapshot

United States and Japan; region-specific terms

Principally Japan; visit-in-person sales and support model

Official Japan and US channels

2018

2024

2024

Animal-inspired

Wheeled

Handheld

Autonomous quadruped; 22 axes

Autonomous differential-wheel base with retractable wheels

Held or placed; expressive head and body movement without locomotion

Approximately 2 hours; self-charging behavior supported

Approx. 30–45 minutes active before returning to its nest

Approximately 5 hours

Approx. 180 × 293 × 305 mm

Approx. 430 mm tall; model-specific

Approx. 130 × 180 × 90 mm

Approx. 2.2 kg

Approx. 4.6 kg

Approx. 260 g

Mostly cloud

Hybrid

Mostly local

Wi‑Fi and LTE (service availability varies by market)

Wi‑Fi, Bluetooth, and mobile connectivity according to regional model

Bluetooth through the MofLife app; routine behavior is local

Front and mapping cameras; photos and face-related features

Multiple cameras plus thermal imaging and depth-related sensing

No camera documented

Four microphones

Microphone array for voice direction and sound response

Voice-characteristic sensing; CASIO says speech is not understood or recorded

Full functionality uses Sony cloud services. Sony’s US notice describes face-related information and selected photos that may be backed up; owners are responsible for consent involving household members and visitors.

Camera and microphone-derived media can be used for an app album; automatic capture can be disabled. Device telemetry and interaction data are periodically transmitted to support the service.

CASIO states that speech is neither understood nor recorded and that extracted voice features and routine interaction processing are local. Optional app uploads require consent.

No general public SDK positioned for the consumer model

No general consumer SDK

No public SDK

Consumer companion; supervise around young children, pets, stairs, and water

Home companion; lifting, wheel, heat, and fall precautions apply

Not a children’s plush toy; review care, allergy, charging, and supervision guidance

Treat it as delicate mobile electronics rather than a toy. Keep travel areas dry, level, and clear, and review Sony’s regional restrictions before purchase.

Its warmth and weight are intentional parts of the experience. Follow lift points and clothing guidance, and separate the roaming area from stairs, wet spaces, and small floor hazards.

Keep the fur and electronics dry, use the supplied charging house, and follow CASIO cleaning guidance rather than washing it like a conventional plush toy.