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Twinny vs GitHub Copilot: catalog facts
Twinny	GitHub Copilot
Free Free and open source.	Freemium A free tier is available, with paid plans for heavier use and for organisations.
Windows, macOS, Linux	macOS, Command line
Completion, chat, edits and reviews in one extension Works with local or hosted models you choose	Works inside Visual Studio Code, which many developers already use Available as an editor integration, a macOS app and a CLI
Only for VS Code Completion quality depends on the model you connect	Requires a GitHub account and an internet connection Code is sent to GitHub's hosted service for processing
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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