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Chatbox vs Big-AGI: catalog facts
Chatbox	Big-AGI
Freemium The community edition is free and open source, and using it with your own API keys costs…	Freemium Open-source version is free; a Pro subscription costs $10.99 per month.
Windows, macOS, Linux	Web, 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	Works with many cloud providers and local model servers Beam compares and merges answers from several models
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	Cloud models require your own paid API keys Some features are part of the paid Pro tier
Downloadable app	Web application, Self-hosted
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 26, 2026

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