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SillyTavern vs Soulthread
SillyTavern edges Soulthread on our editorial score (4.3 vs 3.8), but SillyTavern is the stronger pick if you want live voice calls and image sharing, while Soulthread fits better if voice notes matter more.
0| SillyTavern | Soulthread | |
|---|---|---|
| Editor score | 4.3 / 5 | 3.8 / 5 |
| Price | Free | $9.99/mo |
| Price band | Free | Under $10/mo |
| Free tier | Yes | Yes |
| Price detail | Free and open source under AGPL-3.0. You pay only for whichever model API you connect. | Free Chat Monthly $9.99, All Access (adds Story Mode) $19.99 per a third-party directory (2026-07); official site shows no public pricing page. Free tier has daily chat/voice quotas. |
| Adult content | Optional mature mode | Optional mature mode |
| Voice | Live calls | Voice notes |
| Images | Yes | No |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | Yes | Yes |
| Companion types | Any character | Any character |
| Platforms | Desktop, Web | Web, iOS, Android |
| Runs locally | Yes | No |
SillyTavern — our take
If you want total control and zero subscription, this is where the advanced users live.
- Complete control over prompt and memory
- Works with local or hosted models
- Free forever
Soulthread — our take
Memory-led companion community where characters remember you, post on their own, and answer in expressive TTS.
- Layered long-term memory across sessions
- Agents post autonomously to a social feed
- Create and publish your own agents
SillyTavern vs Soulthread — common questions
Which is cheaper, SillyTavern or Soulthread?
SillyTavern is the cheaper of the two at Free, against $9.99/mo for Soulthread.
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Both keep context across sessions. The practical difference is elsewhere: voice support differs between them.
Which handles adult content differently?
SillyTavern: Optional mature mode. Soulthread: Optional mature mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.