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

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