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PyGPT vs Msty: catalog facts
PyGPT	Msty
Free Free and open source; cloud models are billed by their providers through your own API…	Freemium A free tier of the desktop workspace is available. Larger workspace features require a…
Windows, macOS, Linux	Windows, macOS, Linux
One app for many cloud providers and local Ollama models Agents, MCP tools, plugins and file RAG built in	It runs local models without a separate server install and keeps chats, prompt libraries and attached knowledge bases…
Large feature set can be overwhelming Cloud models need your own paid API keys	The application is closed source, and the more capable workspace features sit behind a paid plan.
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 22, 2026

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