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twinny, a self-hosted GitHub Copilot alternative.
Copilot is a hosted service: the editor sends your code to GitHub, and GitHub sends it on to the model. That is fine for most teams and impossible for some. twinny is the same set of features in VS Code against a model you run, so nothing leaves the building.
GitHub Copilot twinny
Where your code goes GitHub's servers, then the model provider Your own model server, on a laptop or in your data centre
Who runs the model GitHub You, on any OpenAI-compatible server
Works with no internet No Yes
Editor VS Code, JetBrains, Visual Studio, Neovim, Xcode VS Code
Source Closed Open, MIT
Account required GitHub account per user None
Team administration Through the GitHub organisation twinny-server: keys, usage, policy and an admin page on your network
List price per user per month Business $19, Enterprise $39 Free for 5 seats on a gateway; $6 per extra seat, billed yearly.
GitHub Copilot facts and prices are from its own pricing page, read in September 2026. They change; the page will be corrected when they do. twinny prices are per seat per month, billed yearly.
pick GitHub Copilot when
- Your code is already on GitHub.com and your security review is fine with that.
- You want the frontier hosted models with nothing to run.
- You need JetBrains or Visual Studio, not VS Code.
pick twinny when
- Code must not leave the network, or the network has no internet.
- You already have GPUs, or a private inference endpoint, and want them used.
- You want to read the source of the thing that reads your source.