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Character.AI vs Soulkyn

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. Character.AI publishes a starting price ($9.99); Soulkyn does not. Both have a free tier.

Side by side

FactCharacter.AISoulkyn
CategoryAI Companions & CharactersAI Companions & Characters
Pricing modelFreemiumFreemium
Starts at$9.99 month
Public APINoNo
PlatformsWeb, iOS, AndroidWeb
CompanyCharacter Technologies, Inc.Soulkyn
Launched20212023
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Character.AI

Still the deepest character library anywhere and the reason the whole companion category exists, but it has been rebuilt around safety and identity checks, and the audience it was famous for is now locked out.

Pros

  • Character library is far larger than any competitor's, with voice calls and group scenes included
  • Free tier is genuinely usable, with the subscription mostly buying speed and memory
  • Safety changes are unusually explicit about what was removed and when

Cons

  • Age assurance defaults to face-based estimation, which is a hard stop for privacy-minded users
  • Charms are a second currency on top of c.ai+, so the $9.99 is a floor not a ceiling
  • No API, no export, and no self-hosting
  • The platform has been reshaped by wrongful-death litigation, and further restrictions are plausible

Soulkyn

Soulkyn's angle in a crowded NSFW companion market is the community layer: characters are made and ranked by users, with contests and public creator pages, so the catalogue grows without the vendor writing it. The free tier is unusually workable because Souls are earned rather than bought. Against that, the operator is anonymous and the live site now blocks automated access entirely.

Pros

  • Characters are user-created and publicly ranked, with contests keeping the catalogue moving
  • Text, in-character image generation and voice messages in one session
  • Free tier is genuinely usable because Souls are earned through activity rather than purchased
  • Explicit per-character content ratings and a published 18 U.S.C. 2257 compliance statement

Cons

  • The live site is behind a bot challenge, so nothing can be verified without a browser session
  • No company name, address or jurisdiction is published anywhere on the site
  • No premium price is visible without signing up
  • Every action on the free tier is metered, so a long conversation stops until you earn more

Which one fits

Choose Character.AI if you need

  • Adults who want long-running roleplay with persistent personas
  • People building and sharing characters for an existing community
  • Casual conversational entertainment rather than task work

Choose Soulkyn if you need

  • Users who want to build and share their own characters, not pick from a fixed roster
  • Roleplay that needs images and voice in the same session as the text
  • People who would rather grind an earned currency than pay up front

Browse all AI Companions & Characters