compare
Open WebUI vs SillyTavern
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Open WebUI | SillyTavern |
|---|---|---|
| Language | Python | JavaScript |
| Licence | Other | AGPL-3.0 |
| Stars | 154k | 34k |
| Latest | v0.11.4 | 1.19.0 |
| Last push | 2026-10-06 | 2026-10-02 |
| Release cadence | about 13 days between releases | about 45 days between releases |
| Active contributors | 19+ commit authors on the default branch in the last 90 days | 35 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace ChatGPT. Alternatives to ChatGPT →
PartialOpen WebUIThe chat app, self-hosted, in front of Ollama or any OpenAI-compatible API. The model comes from elsewhere.
PartialSillyTavernA self-hosted chat front end aimed at character roleplay, in front of hosted APIs or local models.
Open WebUI
- v0.11.42026-09-21📉 Far smaller slim image. A slim build now comes down at around 175 MB, near enough 89% smaller than the last release,…
- v0.11.32026-08-31♿ Accessibility mode reaches the menus. Accessibility mode now marks the menu entry you are pointing at and the model a…
- v0.11.22026-08-31🖼️ Richer previews for terminal files. Word documents and slide decks produced in the terminal are now previewed as th…
- v0.11.12026-08-25🚦 Human in the loop tool approval. Where an administrator has turned it on, you can switch a conversation from letting…
- v0.11.02026-07-27🎨 Redesigned interface. Open WebUI has been visually rebuilt from the ground up. All aspects of the User Interface, fr…
SillyTavern
- 1.19.02026-09-14Anthropic: Added support for Claude Fable 5 and 5.1, Claude Opus 4.8 and 5, Claude Sonnet 5.
- 1.18.02026-05-03Read the maintainers statement regarding a recent security incident involving the "Bot Browser" third-party extension a…
- 1.17.02026-03-28Note: Requires Node.js 20 or higher.
- 1.16.02026-02-14Note: The first-time startup on low-end devices may take longer due to the image metadata caching process.
- 1.15.02025-12-28Introducing the first preview of Macros 2.0, a comprehensive overhaul of the macro system that enables nesting, stable…
Open WebUI
✓ signed The latest release, v0.11.4, carries a signature GitHub verified.
Loading the security report
SillyTavern
✓ signed The latest release, 1.19.0, carries a signature GitHub verified.
Loading the security report