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Replika vs Sanjaya chatbot

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Both have a free tier.

ReplikaAI companion app with a customizable avatar that remembers you across chat, voice calls and ARSanjaya chatbotA Mahabharata-themed AI character you can chat with on the MessengerX platform, one of over 100 personas.

Side by side

FactReplikaSanjaya chatbot
CategoryAI Companions & CharactersAI Companions & Characters
Pricing modelFreemiumFree
Public APINoNo
PlatformsWeb, iOS, AndroidWeb
CompanyLuka, Inc.BuildGPT Labs
Launched2017—
Last verifiedSep 6, 2026Sep 1, 2026

What our research says

Replika

The longest-running mainstream AI companion, with memory and avatar features tuned for an ongoing relationship rather than utility chat. Its history cuts both ways: policy shifts around romantic content in 2023 showed how much the experience can change underneath you, and pricing is only discoverable inside the app.

Pros

  • Long-term memory of personal details persists across sessions
  • Free tier is genuinely usable for text companionship
  • Mature product with nearly a decade of iteration and a very large user base
  • Voice calls, AR and coaching activities go beyond plain text chat

Cons

  • Pro pricing is hidden until the in-app paywall and shifts with region and promos
  • Conversation quality trails frontier chatbots for open-ended or factual topics
  • Feature availability has changed abruptly in the past, affecting paying users

Sanjaya chatbot

A themed conversational character rather than a general assistant — useful if you specifically want to explore the Mahabharata through dialogue, less useful for anything else. It's one of over a hundred characters on the same underlying platform, so the experience depends heavily on that platform's chat engine rather than anything unique to this character.

Pros

  • free to start chatting with no signup barrier described
  • keeps long-term memory across a conversation per the platform's own claims
  • themed specifically around a well-known epic rather than a generic persona

Cons

  • the character's own page renders almost no static content, making it hard to verify claims independently
  • quality depends on the shared MessengerX chat engine, not anything specific to this character
  • no dedicated pricing or terms page for this character alone

Which one fits

Choose Replika if you need

  • People who want a persistent, personalized companion rather than a task assistant
  • Practicing low-stakes conversation and daily check-ins
  • Users who value avatar customization and voice interaction

Choose Sanjaya chatbot if you need

  • someone curious about the Mahabharata who wants a conversational way to explore it
  • users already on the MessengerX platform exploring its character roster

More comparisons

Browse all AI Companions & Characters →