Executive summary
Cursor and GitHub Copilot represent two different bets on how AI coding assistance should be delivered. Cursor bets on owning the editor: by forking VS Code and building the AI experience into every layer, it can index an entire repository, scope context explicitly and let an agent plan and execute multi-file changes with far less friction than a plugin architecture allows. GitHub Copilot bets on meeting developers where they already are: it lives inside VS Code, Visual Studio, JetBrains and Neovim without forcing anyone to change editors, and it is backed by the organisational plumbing — policy, audit, content exclusion, IP indemnity — that large engineering organisations need before they will approve a purchase.
Both bets are working. Cursor has become the reference point for agentic capability in this category; when other vendors describe their own agent mode, they are usually describing something they built in response to Cursor. GitHub Copilot has closed much of the raw capability gap over the past year with its own agent mode and code review features, while retaining an advantage no competitor can easily match: it is already installed, already procured and already trusted by the majority of engineering organisations because it sits inside the platform where their code already lives.
The honest recommendation depends entirely on whether you are optimising for individual or small-team capability, or for organisational deployment. For the former, Cursor is the stronger tool. For the latter, GitHub Copilot's governance and IDE breadth usually outweigh its capability gap, because the alternative is asking hundreds of engineers to change editors, which most organisations correctly refuse to do.