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ChatQT vs Chatbox: catalog facts
ChatQT	Chatbox
Free Free and open source under the GPL-3.0-or-later licence; provider API usage may cost…	Freemium The community edition is free and open source, and using it with your own API keys costs…
Linux	Windows, macOS, Linux
Works with multiple OpenAI-compatible providers Native KDE Plasma look using Kirigami	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
Linux only and designed around KDE Plasma Small project with few users	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
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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