CHAI vs Replika

A side-by-side comparison of CHAI and Replika, two Companion tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of 2026-06-10

CHAI

Companion

Mobile-first social AI platform for chatting with user-created characters.

Replika

Companion

An AI companion that learns your personality through ongoing conversation.

At a glance

Feature comparison of CHAI and Replika
Attribute	CHAI	Replika
Category	Companion	Companion
Pricing	FREEMIUM	FREEMIUM
License	Proprietary	Proprietary
Deployment	Cloud	Cloud
Platforms (differs)	iOS, Android	Web, iOS, Android
Model support (differs)	Single model (proprietary)	—
Vendor (differs)	Chai Research	Luka, Inc.

The honest brief

CHAI

A 500,000+ user-created character library with models tuned for entertaining conversation rather than assistant-style accuracy.

Anyone can create and publish characters
Free ad-supported tier
Mobile-first roleplay and companionship
Large, active creator community

Mobile-only — web app still unreleased
Past safety controversies
2026 token limits frustrated users
Not built for factual accuracy

Replika

Years of head start on long-term persona and memory, where most companion apps are far newer and shallower.

Long-running, mature companion app
Persistent avatar and memory
Free unlimited text chat
Voice/video calls on Pro

Italy fined maker Luka €5M (2025)
Abruptly cut then restored romantic content (2023)
Privacy/age-verification scrutiny
Roleplay shallower than SillyTavern setups

CHAI details Replika details All Companion apps