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Chatbox vs Reins: catalog facts
Chatbox	Reins
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 GPL-3.0 licence.
Windows, macOS, Linux	Linux, iOS
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	Works with Ollama, LM Studio and OpenAI-compatible servers Can run models on the device with no server
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	Needs a model server or a downloaded model before it is useful Responses depend on the size of model your hardware can run
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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