C
CGeneral-purpose AI chat assistant for writing, research, coding and everyday tasks
Free, from $8/mo
Grok vs Replika
Pricing, features, platforms and who each one suits — side by side.
G
Choose Grok if…
- you need an API to build on
- you're in its core audience: general consumers, knowledge workers
R
Choose Replika if…
- you work on iOS, Android
- you're in its core audience: people looking for an ai companion, users wanting a conversational outlet
Side by side
Feature Grok Replika
Pricing modelFreemiumFreemium
Starting price$30/mo—
Free plan
Free trial
API
Open source
Trains AI on your content—Yes
Data retention—Messages and content kept up to 60 days after contract termination
PlatformsWeb, APIiOS, Android, Web
CategoryAI ChatbotsCharacters & Companions
CompanyxAILuka, Inc.
Based in—United States
Founded——
Part of——
Key features
G Grok
- Conversational chat assistant built by xAI
- Free tier with usage limits
- Higher rate limits on paid SuperGrok plan
- Access to xAI frontier models on paid plans
- Business and Enterprise tiers for organizations
- Developer API billed per token
R Replika
- Text chat with a personal AI companion
- Memory of people, routines, plans and goals
- Voice calls with your companion
- Customizable companion appearance and details
- Companion sends selfies
- Doodles drawn on your photos
- Premium voices and image generation with Pro
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Grok
Free$0
SuperGrok$30/mo
Replika
FreeFree
ProNot published
Strengths and limitations
Grok
- Free plan available
- Paid SuperGrok tier adds higher limits and frontier models
- Business and Enterprise tiers offered
- Developer API available
- Free plan has usage limits
- API billing is separate from consumer subscriptions
Replika
- Remembers relationships, interests and goals across conversations
- Supports voice calls as well as text chat
- Available on iOS and Android, with a legacy web app
- Companion appearance and details can be customized
- Pro pricing is not published on the vendor's website
- The web app is labeled as legacy
- No API listed
More comparisons
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C
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G
GG
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M
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M
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C
CC
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DD
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M
MSearchable local snapshots of your screen history on Windows 11 Copilot+ PCs
See site
M
See site
M
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Personal Assistants
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy