SillyTavern 18+
Open-Source LLM Frontend Giving Power Users Total Prompt Control
by SillyTavern Open-Source Community · Distributed / Global (Open-Source Project) · Founded 2023
What is SillyTavern?
SillyTavern is a free, open-source, locally installed user interface designed for interacting with text generation large language models, image generation engines, and TTS voice models.
Originally forked from TavernAI 1.2.8 in February 2023, it has since grown into a standalone project backed by over 300 contributors and 21,000+ GitHub stars.
SillyTavern connects to a wide range of LLM backends including OpenAI, Claude, KoboldAI, NovelAI, OpenRouter, Mistral, and Tabby, giving users complete flexibility over which AI model powers their conversations.
The platform centers on character cards — customizable prompt bundles that define AI behavior for persistent chat sessions, roleplay scenarios, or task-specific assistants.
Key capabilities include group chat with multiple AI bots, World Info lorebooks for rich lore management, a built-in RAG pipeline for document-referenced conversations, Visual Novel Mode for narrative-style presentation, and an extensive extension system supporting image generation, TTS, web search, auto-translation, and emotional sprite expressions.
SillyTavern stores all data locally, collects zero user telemetry, and runs on minimal hardware — anything capable of running NodeJS 18 or above. It supports Windows, macOS, Linux, Android via Termux, and Docker deployments, making it accessible across virtually all platforms.
SillyTavern — Open-Source LLM Frontend Giving Power Users Total Prompt Control Whether you're evaluating SillyTavern for your team or comparing it to alternatives in the AI Chatting Tools category, this in-depth review covers everything: features, pricing, real user reviews, pros and cons, integrations, and direct comparisons against competitors.
Key Features 8
Who Is SillyTavern For
Pros & Cons
- Fully Free And Open-Source
- Supports 15+ LLM Backends
- Zero Telemetry Data Collection
- Active 300+ Contributor Community
- Steep Technical Setup Required
- No Hosted Cloud Version
- External LLM Costs Separate
Frequently Asked Questions
5 questionsSillyTavern supports over 15 backends including OpenAI, Claude, KoboldAI/CPP, AI Horde, NovelAI, Ooba, TabbyAPI, OpenRouter, Mistral, and any OpenAI-compatible API endpoint. Users can switch between backends without losing chat history.
Character cards are prompt bundles that define an AI persona's personality, scenario, and behavior. They can be created from scratch, imported from community sources, or customized with World Info lorebooks for persistent, lore-rich conversations.
Yes. SillyTavern can be installed on Android using Termux, a terminal emulator that runs NodeJS. The interface is mobile-friendly, and remote access allows connecting from any device on the same network.
The release branch is stable and updated roughly once a month, recommended for most users. The staging branch receives daily updates with the latest features but may break unexpectedly — intended for power users and testers.
Extensions add capabilities like Stable Diffusion and DALL-E image generation, text-to-speech output, web search grounding, auto-translation, emotional character sprites, and chat summarization. They can be installed directly from the built-in asset downloader.
Who is SillyTavern for?
SillyTavern is most useful for AI Roleplay Enthusiasts, Creative Fiction Writers, LLM Power Users And Tinkerers and Character Bot Developers.
SillyTavern pricing
SillyTavern is free to use. Free. For the current tier breakdown and any limits, see the pricing section above or check the vendor's pricing page directly — limits and prices change.
What's New
First preview of Macros 2.0, a complete overhaul of the macro system. Updated backgrounds menu layout, added fade-in animation for streamed text, drag-and-drop past chats, and per-entry World Info budget toggle.
Added ability to save multiple secret values per API type, welcome page custom assistant greetings, browser launch config, clean-up dialog for loose files, video attachments for Gemini, and CSS-based drawer animations.
Security & Privacy
Local (user's own hardware)Collaboration & Teams
Learning & Support
Resources
Community
Localization
All Features of SillyTavern
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SillyTavern Pricing
Free
- Full access to all features
- Unlimited character cards and chats
- All extensions and plugins supported
- Multi-API backend connections
Company Info
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