Home / Compare
SillyTavern vs Open WebUI
SillyTavern edges Open WebUI on our editorial score (4.3 vs 4.2), but SillyTavern is the stronger pick if you want live voice calls, while Open WebUI fits better if voice notes matter more.
0| SillyTavern0 | Open WebUI0 | |
|---|---|---|
| Editor score | 4.3 / 5 | 4.2 / 5 |
| Price | Free | Free |
| Price band | Free | Free |
| Free tier | Yes | Yes |
| Price detail | Free and open source under AGPL-3.0. You pay only for whichever model API you connect. | Free and open-source; self-host via Docker/pip. An enterprise tier exists but consumer use is free. |
| 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 |
| 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
Open WebUI — our take
The power-user pick: run any model locally or in the cloud with zero data retention and full control.
- Zero data retention when self-hosted
- Any model via Ollama/OpenAI-compatible APIs
- Huge community sharing prompts and tools
SillyTavern vs Open WebUI — common questions
Which is cheaper, SillyTavern or Open WebUI?
They cost the same on our recorded numbers (Free).
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. Open WebUI: 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.