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SillyTavern vs HammerAI
SillyTavern edges HammerAI on our editorial score (4.3 vs 4.2), but SillyTavern is the stronger pick if you want live voice calls, while HammerAI fits better if voice notes matter more.
0| SillyTavern0 | HammerAI0 | |
|---|---|---|
| Editor score | 4.3 / 5 | 4.2 / 5 |
| Price | Free | $9/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: 600 cloud messages/day, unlimited chat on locally run models. Pro tiers $9/$18/$35 per month for larger cloud limits. Verified on hammerai.com/pricing. |
| Adult content | Optional mature mode | No adult mode |
| Voice | Live calls | Voice notes |
| Images | Yes | Yes |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | Yes | Yes |
| Companion types | Any character | Any character |
| Platforms | Desktop, Web | Web, Desktop, iOS |
| Runs locally | Yes | Yes |
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
HammerAI — our take
The most generous free tier in the category: unlimited chat on locally run models, 600 cloud messages a day, no card required.
- Unlimited free chat with local models
- Group chat, lorebooks and personas
- Open-source with desktop apps
SillyTavern vs HammerAI — common questions
Which is cheaper, SillyTavern or HammerAI?
SillyTavern is the cheaper of the two at Free, against $9/mo for HammerAI.
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. HammerAI: No adult mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.