Robot Companion AI library · Updated for 2026

All robot companion guides

Search independent buyer guides, product comparisons and evidence reviews. Every article includes practical limitations, sources and questions to verify before relying on a product claim.

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Try a product, brand, budget or question—for example, “aibo,” “under $500,” “privacy” or “loneliness.”

Understand the format first

Four common companion robot types

Appearance can be misleading. Start with where the robot operates, how it moves and who it is designed to support.

Companion robotsFour common product formats
Low movement

Desktop character

Tabletop robots focused on expression, touch, voice and entertainment.

Examples
Eilik, EMO
Cost
Low–medium
Watch
Limited mobility
High movement

Mobile robot pet

Wheeled or legged robots that travel through a room and react to their environment.

Examples
Loona, aibo
Cost
Medium–high
Watch
Stairs and maintenance
Very low movement

Portable companion

Small devices designed to travel, with necessarily limited battery, speaker and movement.

Examples
Eiliko, AIBI
Cost
Low–medium
Watch
Battery and size
Defined audience

Specialized support

Products designed around learning, routines or companionship for a particular audience.

Examples
Miko 3, ElliQ
Cost
Variable
Watch
Fit and privacy

How to read this: format describes the main use—not quality. More movement or a higher price does not automatically make a robot better for a particular home.

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