AI Glossary

AI Companion

AI systems designed for ongoing conversational interaction, emotional support, or personal assistance.

Overview

AI companions are conversational AI systems designed for extended, personalized interaction rather than single-task completion. They maintain conversation history, adapt to user preferences, and may simulate personality traits. Examples include Character.AI, Replika, and Pi by Inflection AI.

Considerations

AI companions raise important ethical questions about parasocial relationships, dependency, data privacy (intimate conversations), impact on human social skills, and the distinction between genuine empathy and simulated emotion. Some jurisdictions are considering regulation of AI companion services, particularly for minors.

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Last updated: March 5, 2026