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Chatbox vs SillyTavern: catalog facts
Chatbox	SillyTavern
Freemium The community edition is free and open source, and using it with your own API keys costs…	Free Free and open source under the AGPL. You pay only for whatever model backend you connect…
Windows, macOS, Linux	Windows, macOS, Linux, Self-hosted
Works with OpenAI, Claude, Gemini, Grok, DeepSeek, Azure and local Ollama models from one window Conversations are stored locally rather than on someone else's server	Deep prompt control: character cards, lorebooks, world info, author's notes and templates Connects to local runners as well as commercial APIs
You need your own API keys, and those cost money per use It is a client, so it cannot run a model itself without Ollama or similar	A front end only; you must supply a model backend Setup involves Node or Docker rather than an installer
Downloadable app	Self-hosted
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.