LUKi vs Replika
Replika pioneered AI companionship. LUKi builds on that foundation with deeper memory, more personality choice, cognitive games, group chat, and an ownership model where your data stays yours.
Feature
LUKi
Replika
Memory
Structured ELR with 13 memory types, semantic search, wallet-encrypted option
Basic memory, limited context depth
Characters
6 distinct personalities + unlimited custom via LUKi Maker
One companion with customizable traits
Visual Identity
Animated video avatars per character, Genesis NFT lore cards, theme-based visuals
3D avatar with AR mode and video calls
Data Ownership
User-owned, exportable, optional blockchain encryption
Company-owned, no export
Safety
Multi-signal crisis detection, 988 hotline, care-first architecture for vulnerable users
Basic content moderation
Group Chat
Multiple AI personalities in one conversation
One-on-one only
Cognitive Games
4 games: Word Garden, Memory Tiles, Arcade, Runner
Activities and coaching features
Image Generation
Text-to-image generation in chat
Limited image features
Unique Features
The Colony (1,000 autonomous agents), Smart Vault, Life Story recording
AR avatar, diary, coaching activities
Pricing
Free + $9/mo + $29/mo. Or hold tokens for permanent access
Free + $19.99/mo
Platforms
iOS, Android, Web
iOS, Android, Web, Oculus
The verdict
Both platforms focus on the companion relationship. LUKi offers deeper structured memory, more character variety with unlimited custom creation, cognitive games, group conversations, and data you actually own. Replika offers a 3D avatar experience with AR. For depth and ownership, LUKi leads.